78651696 has 40 divisors (see below), whose sum is σ = 203518720. Its totient is φ = 26174016.

The previous prime is 78651667. The next prime is 78651709. The reversal of 78651696 is 69615687.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 43221 + ... + 45003.

It is an arithmetic number, because the mean of its divisors is an integer number (5087968).

Almost surely, 2^78651696 is an apocalyptic number.

It is an amenable number.

78651696 is an abundant number, since it is smaller than the sum of its proper divisors (124867024).

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

78651696 is a wasteful number, since it uses less digits than its factorization.

78651696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2707 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 78651696 is about 8868.5791421174. The cubic root of 78651696 is about 428.4525158346.

The spelling of 78651696 in words is "seventy-eight million, six hundred fifty-one thousand, six hundred ninety-six".