79566369 has 8 divisors (see below), whose sum is σ = 106622400. Its totient is φ = 52777296.

The previous prime is 79566359. The next prime is 79566427. The reversal of 79566369 is 96366597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79566369 - 2⁵ = 79566337 is a prime.

It is a super-2 number, since 2×79566369² = 12661614151688322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79566349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66042 + ... + 67235.

It is an arithmetic number, because the mean of its divisors is an integer number (13327800).

Almost surely, 2^79566369 is an apocalyptic number.

It is an amenable number.

79566369 is a deficient number, since it is larger than the sum of its proper divisors (27056031).

79566369 is a wasteful number, since it uses less digits than its factorization.

79566369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133479.

The product of its digits is 1837080, while the sum is 51.

The square root of 79566369 is about 8919.9982623317. The cubic root of 79566369 is about 430.1070023957.

The spelling of 79566369 in words is "seventy-nine million, five hundred sixty-six thousand, three hundred sixty-nine".