2278056631836 has 24 divisors (see below), whose sum is σ = 5336642634624. Its totient is φ = 756326902000.

The previous prime is 2278056631771. The next prime is 2278056631841. The reversal of 2278056631836 is 6381366508722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378160440 + ... + 378166463.

It is an arithmetic number, because the mean of its divisors is an integer number (222360109776).

Almost surely, 2^{2278056631836} is an apocalyptic number.

It is an amenable number.

2278056631836 is an abundant number, since it is smaller than the sum of its proper divisors (3058586002788).

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

2278056631836 is a wasteful number, since it uses less digits than its factorization.

2278056631836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756327161 (or 756327159 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 2278056631836 in words is "two trillion, two hundred seventy-eight billion, fifty-six million, six hundred thirty-one thousand, eight hundred thirty-six".