3279788856 has 48 divisors (see below), whose sum is σ = 8941617360. Its totient is φ = 1086019200.

The previous prime is 3279788833. The next prime is 3279788867. The reversal of 3279788856 is 6588879723.

It is a junction number, because it is equal to n+sod(n) for n = 3279788793 and 3279788802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139965 + ... + 161708.

It is an arithmetic number, because the mean of its divisors is an integer number (186283695).

Almost surely, 2^3279788856 is an apocalyptic number.

3279788856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3279788856 is an abundant number, since it is smaller than the sum of its proper divisors (5661828504).

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

3279788856 is a wasteful number, since it uses less digits than its factorization.

3279788856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301836 (or 301829 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 3279788856 is about 57269.4408563590. The cubic root of 3279788856 is about 1485.7598858961.

The spelling of 3279788856 in words is "three billion, two hundred seventy-nine million, seven hundred eighty-eight thousand, eight hundred fifty-six".