78517668030 has 32 divisors (see below), whose sum is σ = 188449804800. Its totient is φ = 20937222432.

The previous prime is 78517668023. The next prime is 78517668149. The reversal of 78517668030 is 3086671587.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364991 + ... + 1421349.

It is an arithmetic number, because the mean of its divisors is an integer number (5889056400).

Almost surely, 2^78517668030 is an apocalyptic number.

78517668030 is an abundant number, since it is smaller than the sum of its proper divisors (109932136770).

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

78517668030 is a wasteful number, since it uses less digits than its factorization.

78517668030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102808.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 78517668030 in words is "seventy-eight billion, five hundred seventeen million, six hundred sixty-eight thousand, thirty".