3228758787 has 16 divisors (see below), whose sum is σ = 4654069760. Its totient is φ = 1984100832.

The previous prime is 3228758783. The next prime is 3228758833. The reversal of 3228758787 is 7878578223.

It is not a de Polignac number, because 3228758787 - 2² = 3228758783 is a prime.

It is a super-2 number, since 2×3228758787² = 20849766609259422738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (3228758783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763363 + ... + 767580.

It is an arithmetic number, because the mean of its divisors is an integer number (290879360).

Almost surely, 2^3228758787 is an apocalyptic number.

3228758787 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3228758787 is a deficient number, since it is larger than the sum of its proper divisors (1425310973).

3228758787 is a wasteful number, since it uses less digits than its factorization.

3228758787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531002.

The product of its digits is 10536960, while the sum is 57.

The square root of 3228758787 is about 56822.1680948554. The cubic root of 3228758787 is about 1478.0139520572.

The spelling of 3228758787 in words is "three billion, two hundred twenty-eight million, seven hundred fifty-eight thousand, seven hundred eighty-seven".