78065056 has 24 divisors (see below), whose sum is σ = 153982080. Its totient is φ = 38958528.

The previous prime is 78065051. The next prime is 78065063. The reversal of 78065056 is 65056087.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78065051) 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, 17415 + ... + 21433.

It is an arithmetic number, because the mean of its divisors is an integer number (6415920).

Almost surely, 2^78065056 is an apocalyptic number.

It is an amenable number.

78065056 is a deficient number, since it is larger than the sum of its proper divisors (75917024).

78065056 is a wasteful number, since it uses less digits than its factorization.

78065056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 78065056 is about 8835.4431694171. The cubic root of 78065056 is about 427.3846223753.

The spelling of 78065056 in words is "seventy-eight million, sixty-five thousand, fifty-six".