79568280 has 192 divisors, whose sum is σ = 287089920. Its totient is φ = 18950400.

The previous prime is 79568273. The next prime is 79568299. The reversal of 79568280 is 8286597.

79568280 is a `hidden beast` number, since 7 + 9 + 568 + 2 + 80 = 666.

It is a super-2 number, since 2×79568280² = 12662222364316800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281019 + ... + 281301.

It is an arithmetic number, because the mean of its divisors is an integer number (1495260).

Almost surely, 2^79568280 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 79568280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143544960).

79568280 is an abundant number, since it is smaller than the sum of its proper divisors (207521640).

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

79568280 is a wasteful number, since it uses less digits than its factorization.

79568280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 79568280 is about 8920.1053805434. The cubic root of 79568280 is about 430.1104457597.

The spelling of 79568280 in words is "seventy-nine million, five hundred sixty-eight thousand, two hundred eighty".