78976086 has 32 divisors (see below), whose sum is σ = 184923648. Its totient is φ = 22013760.

The previous prime is 78976081. The next prime is 78976087. The reversal of 78976086 is 68067987.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78976081) 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, 21210 + ... + 24653.

It is an arithmetic number, because the mean of its divisors is an integer number (5778864).

Almost surely, 2^78976086 is an apocalyptic number.

78976086 is an abundant number, since it is smaller than the sum of its proper divisors (105947562).

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

78976086 is a wasteful number, since it uses less digits than its factorization.

78976086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45916.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 78976086 is about 8886.8490478909. The cubic root of 78976086 is about 429.0407424860.

The spelling of 78976086 in words is "seventy-eight million, nine hundred seventy-six thousand, eighty-six".