79082091 has 36 divisors (see below), whose sum is σ = 126977760. Its totient is φ = 47388000.

The previous prime is 79082089. The next prime is 79082099. The reversal of 79082091 is 19028097.

It is a happy number.

It is not a de Polignac number, because 79082091 - 2¹ = 79082089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79082099) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109630 + ... + 110348.

It is an arithmetic number, because the mean of its divisors is an integer number (3527160).

Almost surely, 2^79082091 is an apocalyptic number.

79082091 is a deficient number, since it is larger than the sum of its proper divisors (47895669).

79082091 is a wasteful number, since it uses less digits than its factorization.

79082091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 79082091 is about 8892.8111978159. The cubic root of 79082091 is about 429.2326154641.

It can be divided in two parts, 7908 and 2091, that added together give a palindrome (9999).

The spelling of 79082091 in words is "seventy-nine million, eighty-two thousand, ninety-one".