78792713 has 4 divisors (see below), whose sum is σ = 78811920. Its totient is φ = 78773508.

The previous prime is 78792709. The next prime is 78792719. The reversal of 78792713 is 31729787.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31729787 = 59 ⋅537793.

It is a cyclic number.

It is not a de Polignac number, because 78792713 - 2² = 78792709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78792719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (19702980).

Almost surely, 2^78792713 is an apocalyptic number.

It is an amenable number.

78792713 is a deficient number, since it is larger than the sum of its proper divisors (19207).

78792713 is a wasteful number, since it uses less digits than its factorization.

78792713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206.

The product of its digits is 148176, while the sum is 44.

The square root of 78792713 is about 8876.5259533221. The cubic root of 78792713 is about 428.7084247696.

The spelling of 78792713 in words is "seventy-eight million, seven hundred ninety-two thousand, seven hundred thirteen".