79631901 has 24 divisors (see below), whose sum is σ = 120706560. Its totient is φ = 50522400.

The previous prime is 79631897. The next prime is 79631933. The reversal of 79631901 is 10913697.

It is not a de Polignac number, because 79631901 - 2² = 79631897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79631971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14680 + ... + 19358.

It is an arithmetic number, because the mean of its divisors is an integer number (5029440).

Almost surely, 2^79631901 is an apocalyptic number.

It is an amenable number.

79631901 is a deficient number, since it is larger than the sum of its proper divisors (41074659).

79631901 is a wasteful number, since it uses less digits than its factorization.

79631901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4774 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 79631901 is about 8923.6708253947. The cubic root of 79631901 is about 430.2250507534.

The spelling of 79631901 in words is "seventy-nine million, six hundred thirty-one thousand, nine hundred one".