79798065 has 16 divisors (see below), whose sum is σ = 129771456. Its totient is φ = 41860800.

The previous prime is 79798049. The next prime is 79798079. The reversal of 79798065 is 56089797.

It is not a de Polignac number, because 79798065 - 2⁴ = 79798049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79797999 and 79798017.

It is an unprimeable number.

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, 42691 + ... + 44520.

It is an arithmetic number, because the mean of its divisors is an integer number (8110716).

Almost surely, 2^79798065 is an apocalyptic number.

It is an amenable number.

79798065 is a deficient number, since it is larger than the sum of its proper divisors (49973391).

79798065 is a wasteful number, since it uses less digits than its factorization.

79798065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87280.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 79798065 is about 8932.9762677397. The cubic root of 79798065 is about 430.5240860585.

The spelling of 79798065 in words is "seventy-nine million, seven hundred ninety-eight thousand, sixty-five".