78480407976 has 64 divisors (see below), whose sum is σ = 196677158400. Its totient is φ = 26096732928.

The previous prime is 78480407939. The next prime is 78480407977. The reversal of 78480407976 is 67970408487.

It is not an unprimeable number, because it can be changed into a prime (78480407977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34586970 + ... + 34589238.

It is an arithmetic number, because the mean of its divisors is an integer number (3073080600).

Almost surely, 2^78480407976 is an apocalyptic number.

It is an amenable number.

78480407976 is an abundant number, since it is smaller than the sum of its proper divisors (118196750424).

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

78480407976 is a wasteful number, since it uses less digits than its factorization.

78480407976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5134 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 78480407976 in words is "seventy-eight billion, four hundred eighty million, four hundred seven thousand, nine hundred seventy-six".