79870901 has 32 divisors (see below), whose sum is σ = 94884480. Its totient is φ = 66528000.

The previous prime is 79870897. The next prime is 79870933. The reversal of 79870901 is 10907897.

It is not a de Polignac number, because 79870901 - 2² = 79870897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79870951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790751 + ... + 790851.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2^79870901 is an apocalyptic number.

It is an amenable number.

79870901 is a deficient number, since it is larger than the sum of its proper divisors (15013579).

79870901 is a wasteful number, since it uses less digits than its factorization.

79870901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 79870901 is about 8937.0521426251. The cubic root of 79870901 is about 430.6550337474.

The spelling of 79870901 in words is "seventy-nine million, eight hundred seventy thousand, nine hundred one".