78624376652 has 6 divisors (see below), whose sum is σ = 137592659148. Its totient is φ = 39312188324.

The previous prime is 78624376631. The next prime is 78624376669. The reversal of 78624376652 is 25667342687.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9828047078 + ... + 9828047085.

It is an arithmetic number, because the mean of its divisors is an integer number (22932109858).

Almost surely, 2^78624376652 is an apocalyptic number.

It is an amenable number.

78624376652 is a deficient number, since it is larger than the sum of its proper divisors (58968282496).

78624376652 is a wasteful number, since it uses less digits than its factorization.

78624376652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656094167 (or 19656094165 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 56.

The spelling of 78624376652 in words is "seventy-eight billion, six hundred twenty-four million, three hundred seventy-six thousand, six hundred fifty-two".