79189065 has 48 divisors (see below), whose sum is σ = 142272000. Its totient is φ = 40715136.

The previous prime is 79189057. The next prime is 79189127. The reversal of 79189065 is 56098197.

It is not a de Polignac number, because 79189065 - 2³ = 79189057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79189065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331216 + ... + 331454.

It is an arithmetic number, because the mean of its divisors is an integer number (2964000).

Almost surely, 2^79189065 is an apocalyptic number.

It is an amenable number.

79189065 is a deficient number, since it is larger than the sum of its proper divisors (63082935).

79189065 is a wasteful number, since it uses less digits than its factorization.

79189065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 79189065 is about 8898.8237986826. The cubic root of 79189065 is about 429.4260686256.

The spelling of 79189065 in words is "seventy-nine million, one hundred eighty-nine thousand, sixty-five".