78927488 has 32 divisors (see below), whose sum is σ = 162318720. Its totient is φ = 38188800.

The previous prime is 78927487. The next prime is 78927521. The reversal of 78927488 is 88472987.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (78927487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5978 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (5072460).

Almost surely, 2^78927488 is an apocalyptic number.

It is an amenable number.

78927488 is an abundant number, since it is smaller than the sum of its proper divisors (83391232).

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

78927488 is a wasteful number, since it uses less digits than its factorization.

78927488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19936 (or 19924 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 53.

The square root of 78927488 is about 8884.1143621635. The cubic root of 78927488 is about 428.9527209032.

The spelling of 78927488 in words is "seventy-eight million, nine hundred twenty-seven thousand, four hundred eighty-eight".