79164855 has 144 divisors (see below), whose sum is σ = 180590592. Its totient is φ = 31363200.

The previous prime is 79164851. The next prime is 79164857. The reversal of 79164855 is 55846197.

It is not a de Polignac number, because 79164855 - 2² = 79164851 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 79164855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79164851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1181532 + ... + 1181598.

Almost surely, 2^79164855 is an apocalyptic number.

79164855 is an abundant number, since it is smaller than the sum of its proper divisors (101425737).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79164855 is a wasteful number, since it uses less digits than its factorization.

79164855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 124 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 79164855 is about 8897.4634025659. The cubic root of 79164855 is about 429.3823022092.

The spelling of 79164855 in words is "seventy-nine million, one hundred sixty-four thousand, eight hundred fifty-five".