79256247 has 8 divisors (see below), whose sum is σ = 120771456. Its totient is φ = 45289272.

The previous prime is 79256237. The next prime is 79256251. The reversal of 79256247 is 74265297.

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

It is not a de Polignac number, because 79256247 - 2⁴ = 79256231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79256199 and 79256208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79256237) 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, 1887033 + ... + 1887074.

It is an arithmetic number, because the mean of its divisors is an integer number (15096432).

Almost surely, 2^79256247 is an apocalyptic number.

79256247 is a deficient number, since it is larger than the sum of its proper divisors (41515209).

79256247 is a wasteful number, since it uses less digits than its factorization.

79256247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774117.

The product of its digits is 211680, while the sum is 42.

The square root of 79256247 is about 8902.5977669442. The cubic root of 79256247 is about 429.5474723722.

The spelling of 79256247 in words is "seventy-nine million, two hundred fifty-six thousand, two hundred forty-seven".