27432197575 has 12 divisors (see below), whose sum is σ = 34018748008. Its totient is φ = 21943936800.

The previous prime is 27432197567. The next prime is 27432197581. The reversal of 27432197575 is 57579123472.

It is not a de Polignac number, because 27432197575 - 2³ = 27432197567 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318940 + ... + 395710.

Almost surely, 2^27432197575 is an apocalyptic number.

27432197575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27432197575 is a deficient number, since it is larger than the sum of its proper divisors (6586550433).

27432197575 is a wasteful number, since it uses less digits than its factorization.

27432197575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91074 (or 91069 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

The spelling of 27432197575 in words is "twenty-seven billion, four hundred thirty-two million, one hundred ninety-seven thousand, five hundred seventy-five".