3268778623 has 8 divisors (see below), whose sum is σ = 3566431440. Its totient is φ = 2971207680.

The previous prime is 3268778621. The next prime is 3268778629.

3268778623 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3268778623 - 2¹ = 3268778621 is a prime.

It is a super-2 number, since 2×3268778623² = 21369827372363552258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3268778621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88063 + ... + 119551.

It is an arithmetic number, because the mean of its divisors is an integer number (445803930).

Almost surely, 2^3268778623 is an apocalyptic number.

3268778623 is a deficient number, since it is larger than the sum of its proper divisors (297652817).

3268778623 is a wasteful number, since it uses less digits than its factorization.

3268778623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40937.

The product of its digits is 4064256, while the sum is 52.

The square root of 3268778623 is about 57173.2334488789. The cubic root of 3268778623 is about 1484.0954594486.

The spelling of 3268778623 in words is "three billion, two hundred sixty-eight million, seven hundred seventy-eight thousand, six hundred twenty-three".