27857796496 has 10 divisors (see below), whose sum is σ = 53974480742. Its totient is φ = 13928898240.

The previous prime is 27857796493. The next prime is 27857796497. The reversal of 27857796496 is 69469775872.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16486560000 + 11371236496 = 128400^2 + 106636^2 .

It is a super-2 number, since 2×27857796496² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27857796493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870556125 + ... + 870556156.

Almost surely, 2^27857796496 is an apocalyptic number.

It is an amenable number.

27857796496 is a deficient number, since it is larger than the sum of its proper divisors (26116684246).

27857796496 is a wasteful number, since it uses less digits than its factorization.

27857796496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741112289 (or 1741112283 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 70.

The spelling of 27857796496 in words is "twenty-seven billion, eight hundred fifty-seven million, seven hundred ninety-six thousand, four hundred ninety-six".