78744574906596 has 81 divisors (see below), whose sum is σ = 208082591306499. Its totient is φ = 25106575464432.

The previous prime is 78744574906579. The next prime is 78744574906607. The reversal of 78744574906596 is 69560947544787.

The square root of 78744574906596 is 8873814.

It is a perfect power (a square), and thus also a powerful number.

78744574906596 is a `hidden beast` number, since 7 + 8 + 74 + 4 + 5 + 7 + 490 + 6 + 59 + 6 = 666.

78744574906596 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1224554181 + ... + 1224618483.

Almost surely, 2^{78744574906596} is an apocalyptic number.

78744574906596 is the 8873814-th square number.

It is an amenable number.

78744574906596 is an abundant number, since it is smaller than the sum of its proper divisors (129338016399903).

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

78744574906596 is an frugal number, since it uses more digits than its factorization.

78744574906596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128662 (or 64331 counting only the distinct ones).

The product of its (nonzero) digits is 12802406400, while the sum is 81.

The spelling of 78744574906596 in words is "seventy-eight trillion, seven hundred forty-four billion, five hundred seventy-four million, nine hundred six thousand, five hundred ninety-six".