79127280 has 100 divisors (see below), whose sum is σ = 274843272. Its totient is φ = 21098880.

The previous prime is 79127239. The next prime is 79127297. The reversal of 79127280 is 8272197.

It is a super-2 number, since 2×79127280² = 12522252880396800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 375 + ... + 12585.

Almost surely, 2^79127280 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 79127280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137421636).

79127280 is an abundant number, since it is smaller than the sum of its proper divisors (195715992).

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

79127280 is a wasteful number, since it uses less digits than its factorization.

79127280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12236 (or 12221 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 79127280 is about 8895.3515950748. The cubic root of 79127280 is about 429.3143571036.

The spelling of 79127280 in words is "seventy-nine million, one hundred twenty-seven thousand, two hundred eighty".