79448677 has 16 divisors (see below), whose sum is σ = 99988992. Its totient is φ = 61323120.

The previous prime is 79448669. The next prime is 79448687. The reversal of 79448677 is 77684497.

It is a cyclic number.

It is not a de Polignac number, because 79448677 - 2³ = 79448669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79448617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 13060.

It is an arithmetic number, because the mean of its divisors is an integer number (6249312).

Almost surely, 2^79448677 is an apocalyptic number.

79448677 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

79448677 is a deficient number, since it is larger than the sum of its proper divisors (20540315).

79448677 is a wasteful number, since it uses less digits than its factorization.

79448677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768.

The product of its digits is 2370816, while the sum is 52.

The square root of 79448677 is about 8913.3987344896. The cubic root of 79448677 is about 429.8948309592.

The spelling of 79448677 in words is "seventy-nine million, four hundred forty-eight thousand, six hundred seventy-seven".