78584976 has 60 divisors (see below), whose sum is σ = 220676352. Its totient is φ = 26106048.

The previous prime is 78584963. The next prime is 78584993. The reversal of 78584976 is 67948587.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52105 + ... + 53591.

Almost surely, 2^78584976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78584976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110338176).

78584976 is an abundant number, since it is smaller than the sum of its proper divisors (142091376).

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

78584976 is a wasteful number, since it uses less digits than its factorization.

78584976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1859 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 78584976 is about 8864.8167493750. The cubic root of 78584976 is about 428.3313298955.

The spelling of 78584976 in words is "seventy-eight million, five hundred eighty-four thousand, nine hundred seventy-six".