79648220 has 12 divisors (see below), whose sum is σ = 167261304. Its totient is φ = 31859280.

The previous prime is 79648201. The next prime is 79648237. The reversal of 79648220 is 2284697.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991186 + ... + 1991225.

It is an arithmetic number, because the mean of its divisors is an integer number (13938442).

Almost surely, 2^79648220 is an apocalyptic number.

It is an amenable number.

79648220 is an abundant number, since it is smaller than the sum of its proper divisors (87613084).

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

79648220 is a wasteful number, since it uses less digits than its factorization.

79648220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982420 (or 3982418 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 79648220 is about 8924.5851444199. The cubic root of 79648220 is about 430.2544374814.

The spelling of 79648220 in words is "seventy-nine million, six hundred forty-eight thousand, two hundred twenty".