78897082632 has 32 divisors (see below), whose sum is σ = 197864942400. Its totient is φ = 26216062784.

The previous prime is 78897082631. The next prime is 78897082639. The reversal of 78897082632 is 23628079887.

It is not an unprimeable number, because it can be changed into a prime (78897082631) 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, 5177532 + ... + 5192747.

It is an arithmetic number, because the mean of its divisors is an integer number (6183279450).

Almost surely, 2^78897082632 is an apocalyptic number.

It is an amenable number.

78897082632 is an abundant number, since it is smaller than the sum of its proper divisors (118967859768).

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

78897082632 is a wasteful number, since it uses less digits than its factorization.

78897082632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370605 (or 10370601 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 78897082632 in words is "seventy-eight billion, eight hundred ninety-seven million, eighty-two thousand, six hundred thirty-two".