78467880 has 32 divisors (see below), whose sum is σ = 235404000. Its totient is φ = 20924736.

The previous prime is 78467867. The next prime is 78467897. The reversal of 78467880 is 8876487.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326830 + ... + 327069.

It is an arithmetic number, because the mean of its divisors is an integer number (7356375).

Almost surely, 2^78467880 is an apocalyptic number.

It is an amenable number.

78467880 is an abundant number, since it is smaller than the sum of its proper divisors (156936120).

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

78467880 is a wasteful number, since it uses less digits than its factorization.

78467880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653913 (or 653909 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 78467880 is about 8858.2097514114. The cubic root of 78467880 is about 428.1184782781.

The spelling of 78467880 in words is "seventy-eight million, four hundred sixty-seven thousand, eight hundred eighty".