79655436 has 72 divisors (see below), whose sum is σ = 235499264. Its totient is φ = 22226400.

The previous prime is 79655423. The next prime is 79655453. The reversal of 79655436 is 63455697.

79655436 is a `hidden beast` number, since 7 + 96 + 554 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 79655391 and 79655400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7161 + ... + 14511.

Almost surely, 2^79655436 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 79655436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117749632).

79655436 is an abundant number, since it is smaller than the sum of its proper divisors (155843828).

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

79655436 is a wasteful number, since it uses less digits than its factorization.

79655436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411 (or 7406 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 79655436 is about 8924.9894117584. The cubic root of 79655436 is about 430.2674305413.

The spelling of 79655436 in words is "seventy-nine million, six hundred fifty-five thousand, four hundred thirty-six".