78782887232832 has 56 divisors (see below), whose sum is σ = 208448749138752. Its totient is φ = 26260665088000.

The previous prime is 78782887232801. The next prime is 78782887232837. The reversal of 78782887232832 is 23823278828787.

It is a super-2 number, since 2×78782887232832² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78782887232837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15015832 + ... + 19571432.

Almost surely, 2^{78782887232832} is an apocalyptic number.

It is an amenable number.

78782887232832 is an abundant number, since it is smaller than the sum of its proper divisors (129665861905920).

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

78782887232832 is a wasteful number, since it uses less digits than its factorization.

78782887232832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645687 (or 4645677 counting only the distinct ones).

The product of its digits is 1618477056, while the sum is 75.

The spelling of 78782887232832 in words is "seventy-eight trillion, seven hundred eighty-two billion, eight hundred eighty-seven million, two hundred thirty-two thousand, eight hundred thirty-two".