27863722056 has 32 divisors (see below), whose sum is σ = 69683673600. Its totient is φ = 9284658240.

The previous prime is 27863722049. The next prime is 27863722063. The reversal of 27863722056 is 65022736872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27863722049) and next prime (27863722063).

It is a junction number, because it is equal to n+sod(n) for n = 27863721996 and 27863722014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132535 + ... + 270726.

It is an arithmetic number, because the mean of its divisors is an integer number (2177614800).

Almost surely, 2^27863722056 is an apocalyptic number.

It is an amenable number.

27863722056 is an abundant number, since it is smaller than the sum of its proper divisors (41819951544).

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

27863722056 is a wasteful number, since it uses less digits than its factorization.

27863722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406149 (or 406145 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 27863722056 in words is "twenty-seven billion, eight hundred sixty-three million, seven hundred twenty-two thousand, fifty-six".