79788120 has 64 divisors (see below), whose sum is σ = 240196320. Its totient is φ = 21202944.

The previous prime is 79788073. The next prime is 79788143. The reversal of 79788120 is 2188797.

It is a super-2 number, since 2×79788120² = 12732288186268800, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 39454 + ... + 41426.

Almost surely, 2^79788120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79788120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120098160).

79788120 is an abundant number, since it is smaller than the sum of its proper divisors (160408200).

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

79788120 is a wasteful number, since it uses less digits than its factorization.

79788120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 79788120 is about 8932.4196050118. The cubic root of 79788120 is about 430.5062003286.

The spelling of 79788120 in words is "seventy-nine million, seven hundred eighty-eight thousand, one hundred twenty".