79848081 has 6 divisors (see below), whose sum is σ = 115336130. Its totient is φ = 53232048.

The previous prime is 79848073. The next prime is 79848113. The reversal of 79848081 is 18084897.

79848081 is a `hidden beast` number, since 7 + 98 + 480 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 27878400 = 7209^2 + 5280^2 .

It is not a de Polignac number, because 79848081 - 2³ = 79848073 is a prime.

It is a super-2 number, since 2×79848081² = 12751432078765122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79848011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4435996 + ... + 4436013.

Almost surely, 2^79848081 is an apocalyptic number.

It is an amenable number.

79848081 is a deficient number, since it is larger than the sum of its proper divisors (35488049).

79848081 is a wasteful number, since it uses less digits than its factorization.

79848081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872015 (or 8872012 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 79848081 is about 8935.7753440874. The cubic root of 79848081 is about 430.6140155382.

The spelling of 79848081 in words is "seventy-nine million, eight hundred forty-eight thousand, eighty-one".