79558423560 has 1152 divisors, whose sum is σ = 348267479040. Its totient is φ = 15872371200.

The previous prime is 79558423547. The next prime is 79558423577. The reversal of 79558423560 is 6532485597.

79558423560 is a `hidden beast` number, since 7 + 9 + 5 + 58 + 4 + 23 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 79558423497 and 79558423506.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 626444217 + ... + 626444343.

It is an arithmetic number, because the mean of its divisors is an integer number (302315520).

Almost surely, 2^79558423560 is an apocalyptic number.

79558423560 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 79558423560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174133739520).

79558423560 is an abundant number, since it is smaller than the sum of its proper divisors (268709055480).

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

79558423560 is a wasteful number, since it uses less digits than its factorization.

79558423560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 79558423560 in words is "seventy-nine billion, five hundred fifty-eight million, four hundred twenty-three thousand, five hundred sixty".