79791180 has 96 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 17606400.

The previous prime is 79791169. The next prime is 79791193. The reversal of 79791180 is 8119797.

It is a happy number.

It is a super-3 number, since 3×79791180³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8905 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^79791180 is an apocalyptic number.

79791180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79791180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

79791180 is an abundant number, since it is smaller than the sum of its proper divisors (184385460).

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

79791180 is a wasteful number, since it uses less digits than its factorization.

79791180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 79791180 is about 8932.5908895460. The cubic root of 79791180 is about 430.5117037884.

The spelling of 79791180 in words is "seventy-nine million, seven hundred ninety-one thousand, one hundred eighty".