79162969 has 4 divisors (see below), whose sum is σ = 79182720. Its totient is φ = 79143220.

The previous prime is 79162903. The next prime is 79162981. The reversal of 79162969 is 96926197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79162969 is a prime.

It is a super-2 number, since 2×79162969² = 12533551321789922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79162169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (19795680).

Almost surely, 2^79162969 is an apocalyptic number.

It is an amenable number.

79162969 is a deficient number, since it is larger than the sum of its proper divisors (19751).

79162969 is a wasteful number, since it uses less digits than its factorization.

79162969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750.

The product of its digits is 367416, while the sum is 49.

The square root of 79162969 is about 8897.3574166715. The cubic root of 79162969 is about 429.3788923567.

The spelling of 79162969 in words is "seventy-nine million, one hundred sixty-two thousand, nine hundred sixty-nine".