79158860 has 48 divisors (see below), whose sum is σ = 182220192. Its totient is φ = 28646400.

The previous prime is 79158853. The next prime is 79158889. The reversal of 79158860 is 6885197.

It is a happy number.

It is a super-2 number, since 2×79158860² = 12532250232999200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 52274 + ... + 53766.

It is an arithmetic number, because the mean of its divisors is an integer number (3796254).

Almost surely, 2^79158860 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 79158860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91110096).

79158860 is an abundant number, since it is smaller than the sum of its proper divisors (103061332).

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

79158860 is a wasteful number, since it uses less digits than its factorization.

79158860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 79158860 is about 8897.1265024164. The cubic root of 79158860 is about 429.3714631743.

The spelling of 79158860 in words is "seventy-nine million, one hundred fifty-eight thousand, eight hundred sixty".