79396257 has 8 divisors (see below), whose sum is σ = 105984576. Its totient is φ = 52869392.

The previous prime is 79396249. The next prime is 79396259. The reversal of 79396257 is 75269397.

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 79396257 - 2³ = 79396249 is a prime.

It is a super-2 number, since 2×79396257² = 12607531251220098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79396259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12258 + ... + 17579.

It is an arithmetic number, because the mean of its divisors is an integer number (13248072).

Almost surely, 2^79396257 is an apocalyptic number.

It is an amenable number.

79396257 is a deficient number, since it is larger than the sum of its proper divisors (26588319).

79396257 is a wasteful number, since it uses less digits than its factorization.

79396257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30727.

The product of its digits is 714420, while the sum is 48.

The square root of 79396257 is about 8910.4577323502. The cubic root of 79396257 is about 429.8002623820.

It can be divided in two parts, 7939 and 6257, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 79396257 in words is "seventy-nine million, three hundred ninety-six thousand, two hundred fifty-seven".