79169381802 has 64 divisors (see below), whose sum is σ = 205741071360. Its totient is φ = 22093776432.

The previous prime is 79169381801. The next prime is 79169381821. The reversal of 79169381802 is 20818396197.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79169381801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2419128 + ... + 2451635.

It is an arithmetic number, because the mean of its divisors is an integer number (3214704240).

Almost surely, 2^79169381802 is an apocalyptic number.

79169381802 is an abundant number, since it is smaller than the sum of its proper divisors (126571689558).

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

79169381802 is a wasteful number, since it uses less digits than its factorization.

79169381802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870824 (or 4870818 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 79169381802 in words is "seventy-nine billion, one hundred sixty-nine million, three hundred eighty-one thousand, eight hundred two".