79488865 has 8 divisors (see below), whose sum is σ = 95914728. Its totient is φ = 63239040.

The previous prime is 79488859. The next prime is 79488869. The reversal of 79488865 is 56888497.

It can be written as a sum of positive squares in 4 ways, for example, as 421201 + 79067664 = 649^2 + 8892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79488865 - 2⁷ = 79488737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79488869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43012 + ... + 44821.

It is an arithmetic number, because the mean of its divisors is an integer number (11989341).

Almost surely, 2^79488865 is an apocalyptic number.

It is an amenable number.

79488865 is a deficient number, since it is larger than the sum of its proper divisors (16425863).

79488865 is a wasteful number, since it uses less digits than its factorization.

79488865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88019.

The product of its digits is 3870720, while the sum is 55.

The square root of 79488865 is about 8915.6528084039. The cubic root of 79488865 is about 429.9673041662.

The spelling of 79488865 in words is "seventy-nine million, four hundred eighty-eight thousand, eight hundred sixty-five".