3334667778 has 90 divisors (see below), whose sum is σ = 8114368779. Its totient is φ = 1023111648.

The previous prime is 3334667771. The next prime is 3334667783. The reversal of 3334667778 is 8777664333.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1183841649 + 2150826129 = 34407^2 + 46377^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=40833.

It is a super-2 number, since 2×3334667778² = 22240018379262914568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3334667771) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 9554748 + ... + 9555096.

Almost surely, 2^3334667778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3334667778

3334667778 is an abundant number, since it is smaller than the sum of its proper divisors (4779701001).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3334667778 is an equidigital number, since it uses as much as digits as its factorization.

3334667778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 367 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The square root of 3334667778 is about 57746.5823923806. The cubic root of 3334667778 is about 1494.0008951463. Note that the first 3 decimals are identical.

It can be divided in two parts, 33346 and 67778, that added together give a square (101124 = 318²).

The spelling of 3334667778 in words is "three billion, three hundred thirty-four million, six hundred sixty-seven thousand, seven hundred seventy-eight".