79982511 has 16 divisors (see below), whose sum is σ = 125810688. Its totient is φ = 44229600.

The previous prime is 79982503. The next prime is 79982521. The reversal of 79982511 is 11528997.

It is not a de Polignac number, because 79982511 - 2³ = 79982503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79982521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60780 + ... + 62081.

It is an arithmetic number, because the mean of its divisors is an integer number (7863168).

Almost surely, 2^79982511 is an apocalyptic number.

79982511 is a deficient number, since it is larger than the sum of its proper divisors (45828177).

79982511 is a wasteful number, since it uses less digits than its factorization.

79982511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122902.

The product of its digits is 45360, while the sum is 42.

The square root of 79982511 is about 8943.2941917394. The cubic root of 79982511 is about 430.8555366278.

The spelling of 79982511 in words is "seventy-nine million, nine hundred eighty-two thousand, five hundred eleven".