79967261 has 16 divisors (see below), whose sum is σ = 89824896. Its totient is φ = 70560000.

The previous prime is 79967221. The next prime is 79967273. The reversal of 79967261 is 16276997.

It is a cyclic number.

It is not a de Polignac number, because 79967261 - 2¹⁴ = 79950877 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 (79967221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126416 + ... + 127046.

It is an arithmetic number, because the mean of its divisors is an integer number (5614056).

Almost surely, 2^79967261 is an apocalyptic number.

It is an amenable number.

79967261 is a deficient number, since it is larger than the sum of its proper divisors (9857635).

79967261 is a wasteful number, since it uses less digits than its factorization.

79967261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 285768, while the sum is 47.

The square root of 79967261 is about 8942.4415569798. The cubic root of 79967261 is about 430.8281516220.

The spelling of 79967261 in words is "seventy-nine million, nine hundred sixty-seven thousand, two hundred sixty-one".