79835856 has 80 divisors (see below), whose sum is σ = 213736320. Its totient is φ = 25661440.

The previous prime is 79835849. The next prime is 79835863. The reversal of 79835856 is 65853897.

It is an interprime number because it is at equal distance from previous prime (79835849) and next prime (79835863).

It is a junction number, because it is equal to n+sod(n) for n = 79835799 and 79835808.

It is a congruent number.

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, 222205 + ... + 222563.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2^79835856 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 79835856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106868160).

79835856 is an abundant number, since it is smaller than the sum of its proper divisors (133900464).

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

79835856 is a wasteful number, since it uses less digits than its factorization.

79835856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 79835856 is about 8935.0912698192. The cubic root of 79835856 is about 430.5920382828.

The spelling of 79835856 in words is "seventy-nine million, eight hundred thirty-five thousand, eight hundred fifty-six".