78960437988 has 24 divisors (see below), whose sum is σ = 184279595808. Its totient is φ = 26314635456.

The previous prime is 78960437987. The next prime is 78960438017. The reversal of 78960437988 is 88973406987.

It is not an unprimeable number, because it can be changed into a prime (78960437987) 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, 628906 + ... + 743937.

It is an arithmetic number, because the mean of its divisors is an integer number (7678316492).

Almost surely, 2^78960437988 is an apocalyptic number.

It is an amenable number.

78960437988 is an abundant number, since it is smaller than the sum of its proper divisors (105319157820).

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

78960437988 is a wasteful number, since it uses less digits than its factorization.

78960437988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377643 (or 1377641 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 78960437988 in words is "seventy-eight billion, nine hundred sixty million, four hundred thirty-seven thousand, nine hundred eighty-eight".