2207879856 has 400 divisors, whose sum is σ = 7987169344. Its totient is φ = 573308928.

The previous prime is 2207879833. The next prime is 2207879867. The reversal of 2207879856 is 6589787022.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11439696 + ... + 11439888.

Almost surely, 2^2207879856 is an apocalyptic number.

2207879856 is a gapful number since it is divisible by the number (26) 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 2207879856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3993584672).

2207879856 is an abundant number, since it is smaller than the sum of its proper divisors (5779289488).

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

2207879856 is a wasteful number, since it uses less digits than its factorization.

2207879856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 2207879856 is about 46988.0820634339. The cubic root of 2207879856 is about 1302.1423956049.

The spelling of 2207879856 in words is "two billion, two hundred seven million, eight hundred seventy-nine thousand, eight hundred fifty-six".