79856875 has 20 divisors (see below), whose sum is σ = 114050992. Its totient is φ = 54756000.

The previous prime is 79856863. The next prime is 79856879. The reversal of 79856875 is 57865897.

It is not a de Polignac number, because 79856875 - 2⁹ = 79856363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79856879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4752 + ... + 13501.

Almost surely, 2^79856875 is an apocalyptic number.

79856875 is a deficient number, since it is larger than the sum of its proper divisors (34194117).

79856875 is an equidigital number, since it uses as much as digits as its factorization.

79856875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280 (or 18265 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 55.

The square root of 79856875 is about 8936.2673975212. The cubic root of 79856875 is about 430.6298233931.

The spelling of 79856875 in words is "seventy-nine million, eight hundred fifty-six thousand, eight hundred seventy-five".