27856782152 has 64 divisors (see below), whose sum is σ = 53224205760. Its totient is φ = 13667097600.

The previous prime is 27856782133. The next prime is 27856782241. The reversal of 27856782152 is 25128765872.

It is a super-2 number, since 2×27856782152² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27856782094 and 27856782103.

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, 53467652 + ... + 53468172.

It is an arithmetic number, because the mean of its divisors is an integer number (831628215).

Almost surely, 2^27856782152 is an apocalyptic number.

It is an amenable number.

27856782152 is a deficient number, since it is larger than the sum of its proper divisors (25367423608).

27856782152 is a wasteful number, since it uses less digits than its factorization.

27856782152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1130 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The spelling of 27856782152 in words is "twenty-seven billion, eight hundred fifty-six million, seven hundred eighty-two thousand, one hundred fifty-two".