78751662113412 has 72 divisors (see below), whose sum is σ = 200183434214400. Its totient is φ = 26103299360448.

The previous prime is 78751662113381. The next prime is 78751662113419. The reversal of 78751662113412 is 21431126615787.

78751662113412 is a `hidden beast` number, since 7 + 8 + 7 + 5 + 1 + 6 + 6 + 211 + 3 + 412 = 666.

It is not an unprimeable number, because it can be changed into a prime (78751662113419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343408573 + ... + 343637819.

It is an arithmetic number, because the mean of its divisors is an integer number (2780325475200).

Almost surely, 2^{78751662113412} is an apocalyptic number.

It is an amenable number.

78751662113412 is an abundant number, since it is smaller than the sum of its proper divisors (121431772100988).

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

78751662113412 is a wasteful number, since it uses less digits than its factorization.

78751662113412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282745 (or 282740 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 78751662113412 in words is "seventy-eight trillion, seven hundred fifty-one billion, six hundred sixty-two million, one hundred thirteen thousand, four hundred twelve".