79553875 has 16 divisors (see below), whose sum is σ = 99545472. Its totient is φ = 63475200.

The previous prime is 79553839. The next prime is 79553879. The reversal of 79553875 is 57835597.

It is not a de Polignac number, because 79553875 - 2¹¹ = 79551827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79553879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71574 + ... + 72676.

It is an arithmetic number, because the mean of its divisors is an integer number (6221592).

Almost surely, 2^79553875 is an apocalyptic number.

79553875 is a deficient number, since it is larger than the sum of its proper divisors (19991597).

79553875 is a wasteful number, since it uses less digits than its factorization.

79553875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1685 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 49.

The square root of 79553875 is about 8919.2978983774. The cubic root of 79553875 is about 430.0844885361.

The spelling of 79553875 in words is "seventy-nine million, five hundred fifty-three thousand, eight hundred seventy-five".