79829811 has 24 divisors (see below), whose sum is σ = 122541120. Its totient is φ = 49936176.

The previous prime is 79829791. The next prime is 79829821. The reversal of 79829811 is 11892897.

It is not a de Polignac number, because 79829811 - 2¹³ = 79821619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79829821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16116 + ... + 20478.

It is an arithmetic number, because the mean of its divisors is an integer number (5105880).

Almost surely, 2^79829811 is an apocalyptic number.

79829811 is a deficient number, since it is larger than the sum of its proper divisors (42711309).

79829811 is a wasteful number, since it uses less digits than its factorization.

79829811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4492 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 79829811 is about 8934.7529904301. The cubic root of 79829811 is about 430.5811701729.

The spelling of 79829811 in words is "seventy-nine million, eight hundred twenty-nine thousand, eight hundred eleven".