78533218116528 has 60 divisors (see below), whose sum is σ = 236000334040920. Its totient is φ = 22438062318336.

The previous prime is 78533218116517. The next prime is 78533218116557. The reversal of 78533218116528 is 82561181233587.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16694984493 + ... + 16694989196.

It is an arithmetic number, because the mean of its divisors is an integer number (3933338900682).

Almost surely, 2^{78533218116528} is an apocalyptic number.

It is an amenable number.

78533218116528 is an abundant number, since it is smaller than the sum of its proper divisors (157467115924392).

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

78533218116528 is a wasteful number, since it uses less digits than its factorization.

78533218116528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33389973714 (or 33389973701 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 60.

The spelling of 78533218116528 in words is "seventy-eight trillion, five hundred thirty-three billion, two hundred eighteen million, one hundred sixteen thousand, five hundred twenty-eight".