78600642456812 has 24 divisors (see below), whose sum is σ = 157222828598304. Its totient is φ = 33681373120512.

The previous prime is 78600642456779. The next prime is 78600642456827. The reversal of 78600642456812 is 21865424600687.

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, 192146363 + ... + 192554994.

It is an arithmetic number, because the mean of its divisors is an integer number (6550951191596).

Almost surely, 2^{78600642456812} is an apocalyptic number.

It is an amenable number.

78600642456812 is an abundant number, since it is smaller than the sum of its proper divisors (78622186141492).

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

78600642456812 is a wasteful number, since it uses less digits than its factorization.

78600642456812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384708665 (or 384708663 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 78600642456812 in words is "seventy-eight trillion, six hundred billion, six hundred forty-two million, four hundred fifty-six thousand, eight hundred twelve".