78732940312 has 16 divisors (see below), whose sum is σ = 158979975840. Its totient is φ = 36338280096.

The previous prime is 78732940219. The next prime is 78732940357. The reversal of 78732940312 is 21304923787.

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, 378523648 + ... + 378523855.

It is an arithmetic number, because the mean of its divisors is an integer number (9936248490).

Almost surely, 2^78732940312 is an apocalyptic number.

It is an amenable number.

78732940312 is an abundant number, since it is smaller than the sum of its proper divisors (80247035528).

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

78732940312 is a wasteful number, since it uses less digits than its factorization.

78732940312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757047522 (or 757047518 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 78732940312 in words is "seventy-eight billion, seven hundred thirty-two million, nine hundred forty thousand, three hundred twelve".