78958968732 has 72 divisors (see below), whose sum is σ = 229469700096. Its totient is φ = 22424605344.

The previous prime is 78958968677. The next prime is 78958968763. The reversal of 78958968732 is 23786985987.

78958968732 is a `hidden beast` number, since 7 + 8 + 9 + 589 + 6 + 8 + 7 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896028 + ... + 980195.

It is an arithmetic number, because the mean of its divisors is an integer number (3187079168).

Almost surely, 2^78958968732 is an apocalyptic number.

It is an amenable number.

78958968732 is an abundant number, since it is smaller than the sum of its proper divisors (150510731364).

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

78958968732 is a wasteful number, since it uses less digits than its factorization.

78958968732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876407 (or 1876402 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 78958968732 in words is "seventy-eight billion, nine hundred fifty-eight million, nine hundred sixty-eight thousand, seven hundred thirty-two".