27695238564 has 24 divisors (see below), whose sum is σ = 73853969728. Its totient is φ = 7912925280.

The previous prime is 27695238553. The next prime is 27695238569. The reversal of 27695238564 is 46583259672.

It is a super-3 number, since 3×27695238564³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27695238569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164852527 + ... + 164852694.

Almost surely, 2^27695238564 is an apocalyptic number.

It is an amenable number.

27695238564 is an abundant number, since it is smaller than the sum of its proper divisors (46158731164).

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

27695238564 is a wasteful number, since it uses less digits than its factorization.

27695238564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329705235 (or 329705233 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 27695238564 in words is "twenty-seven billion, six hundred ninety-five million, two hundred thirty-eight thousand, five hundred sixty-four".