79971051 has 8 divisors (see below), whose sum is σ = 107625024. Its totient is φ = 52815560.

The previous prime is 79971007. The next prime is 79971071. The reversal of 79971051 is 15017997.

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 79971051 - 2¹⁷ = 79839979 is a prime.

It is a super-3 number, since 3×79971051³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79971071) 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, 124245 + ... + 124886.

It is an arithmetic number, because the mean of its divisors is an integer number (13453128).

Almost surely, 2^79971051 is an apocalyptic number.

79971051 is a deficient number, since it is larger than the sum of its proper divisors (27653973).

79971051 is a wasteful number, since it uses less digits than its factorization.

79971051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249241.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 79971051 is about 8942.6534652753. The cubic root of 79971051 is about 430.8349577944.

The spelling of 79971051 in words is "seventy-nine million, nine hundred seventy-one thousand, fifty-one".