79190901 has 6 divisors (see below), whose sum is σ = 114386870. Its totient is φ = 52793928.

The previous prime is 79190887. The next prime is 79190927. The reversal of 79190901 is 10909197.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 33628401 = 6750^2 + 5799^2 .

It is not a de Polignac number, because 79190901 - 2⁵ = 79190869 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 (79190201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4399486 + ... + 4399503.

Almost surely, 2^79190901 is an apocalyptic number.

It is an amenable number.

79190901 is a deficient number, since it is larger than the sum of its proper divisors (35195969).

79190901 is a wasteful number, since it uses less digits than its factorization.

79190901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798995 (or 8798992 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 79190901 is about 8898.9269577854. The cubic root of 79190901 is about 429.4293873505.

The spelling of 79190901 in words is "seventy-nine million, one hundred ninety thousand, nine hundred one".