78680076 has 12 divisors (see below), whose sum is σ = 183586872. Its totient is φ = 26226688.

The previous prime is 78680039. The next prime is 78680087. The reversal of 78680076 is 67008687.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278325 + ... + 3278348.

It is an arithmetic number, because the mean of its divisors is an integer number (15298906).

Almost surely, 2^78680076 is an apocalyptic number.

It is an amenable number.

78680076 is an abundant number, since it is smaller than the sum of its proper divisors (104906796).

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

78680076 is a wasteful number, since it uses less digits than its factorization.

78680076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556680 (or 6556678 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 78680076 is about 8870.1790286330. The cubic root of 78680076 is about 428.5040426751.

The spelling of 78680076 in words is "seventy-eight million, six hundred eighty thousand, seventy-six".