79090261 has 12 divisors (see below), whose sum is σ = 83118112. Its totient is φ = 75250296.

The previous prime is 79090259. The next prime is 79090283. The reversal of 79090261 is 16209097.

It is not a de Polignac number, because 79090261 - 2¹ = 79090259 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79090241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162160 + ... + 162646.

Almost surely, 2^79090261 is an apocalyptic number.

It is an amenable number.

79090261 is a deficient number, since it is larger than the sum of its proper divisors (4027851).

79090261 is a wasteful number, since it uses less digits than its factorization.

79090261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 79090261 is about 8893.2705457554. The cubic root of 79090261 is about 429.2473963484.

The spelling of 79090261 in words is "seventy-nine million, ninety thousand, two hundred sixty-one".