79168820 has 48 divisors (see below), whose sum is σ = 176252160. Its totient is φ = 29787264.

The previous prime is 79168807. The next prime is 79168841. The reversal of 79168820 is 2886197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58997 + ... + 60323.

It is an arithmetic number, because the mean of its divisors is an integer number (3671920).

Almost surely, 2^79168820 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 79168820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88126080).

79168820 is an abundant number, since it is smaller than the sum of its proper divisors (97083340).

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

79168820 is a wasteful number, since it uses less digits than its factorization.

79168820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 79168820 is about 8897.6862160901. The cubic root of 79168820 is about 429.3894706781.

The spelling of 79168820 in words is "seventy-nine million, one hundred sixty-eight thousand, eight hundred twenty".