79215875 has 16 divisors (see below), whose sum is σ = 99184800. Its totient is φ = 63165600.

The previous prime is 79215839. The next prime is 79215893. The reversal of 79215875 is 57851297.

It is not a de Polignac number, because 79215875 - 2⁶ = 79215811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45776 + ... + 47474.

It is an arithmetic number, because the mean of its divisors is an integer number (6199050).

Almost surely, 2^79215875 is an apocalyptic number.

79215875 is a deficient number, since it is larger than the sum of its proper divisors (19968925).

79215875 is a wasteful number, since it uses less digits than its factorization.

79215875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2077 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 79215875 is about 8900.3300500599. The cubic root of 79215875 is about 429.4745248693.

The spelling of 79215875 in words is "seventy-nine million, two hundred fifteen thousand, eight hundred seventy-five".