78332932788 has 96 divisors (see below), whose sum is σ = 201437591040. Its totient is φ = 23494247040.

The previous prime is 78332932771. The next prime is 78332932819. The reversal of 78332932788 is 88723923387.

It is a super-2 number, since 2×78332932788² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23571295 + ... + 23574617.

It is an arithmetic number, because the mean of its divisors is an integer number (2098308240).

Almost surely, 2^78332932788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78332932788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100718795520).

78332932788 is an abundant number, since it is smaller than the sum of its proper divisors (123104658252).

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

78332932788 is a wasteful number, since it uses less digits than its factorization.

78332932788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5115 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 78332932788 in words is "seventy-eight billion, three hundred thirty-two million, nine hundred thirty-two thousand, seven hundred eighty-eight".