78852635674804 has 12 divisors (see below), whose sum is σ = 146109295515204. Its totient is φ = 37107122670464.

The previous prime is 78852635674763. The next prime is 78852635674847. The reversal of 78852635674804 is 40847653625887.

It can be written as a sum of positive squares in 2 ways, for example, as 39965812709904 + 38886822964900 = 6321852^2 + 6235930^2 .

It is a congruent number.

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, 579798791659 + ... + 579798791794.

It is an arithmetic number, because the mean of its divisors is an integer number (12175774626267).

Almost surely, 2^{78852635674804} is an apocalyptic number.

It is an amenable number.

78852635674804 is a deficient number, since it is larger than the sum of its proper divisors (67256659840400).

78852635674804 is a wasteful number, since it uses less digits than its factorization.

78852635674804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159597583474 (or 1159597583472 counting only the distinct ones).

The product of its (nonzero) digits is 2167603200, while the sum is 73.

The spelling of 78852635674804 in words is "seventy-eight trillion, eight hundred fifty-two billion, six hundred thirty-five million, six hundred seventy-four thousand, eight hundred four".