79238880 has 216 divisors, whose sum is σ = 314830152. Its totient is φ = 18095616.

The previous prime is 79238879. The next prime is 79238891. The reversal of 79238880 is 8883297.

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 35 ways as a sum of consecutive naturals, for example, 69999 + ... + 71121.

It is an arithmetic number, because the mean of its divisors is an integer number (1457547).

Almost surely, 2^79238880 is an apocalyptic number.

79238880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79238880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157415076).

79238880 is an abundant number, since it is smaller than the sum of its proper divisors (235591272).

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

79238880 is a wasteful number, since it uses less digits than its factorization.

79238880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 79238880 is about 8901.6223240486. The cubic root of 79238880 is about 429.5160952623.

The spelling of 79238880 in words is "seventy-nine million, two hundred thirty-eight thousand, eight hundred eighty".