79787065 has 8 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 63792432.

The previous prime is 79787051. The next prime is 79787083. The reversal of 79787065 is 56078797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79787065 - 2⁷ = 79786937 is a prime.

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, 7816 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (11975040).

Almost surely, 2^79787065 is an apocalyptic number.

It is an amenable number.

79787065 is a deficient number, since it is larger than the sum of its proper divisors (16013255).

79787065 is a wasteful number, since it uses less digits than its factorization.

79787065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 79787065 is about 8932.3605502689. The cubic root of 79787065 is about 430.5043028613.

The spelling of 79787065 in words is "seventy-nine million, seven hundred eighty-seven thousand, sixty-five".