27432995628 has 54 divisors (see below), whose sum is σ = 64666250796. Its totient is φ = 9051574656.

The previous prime is 27432995621. The next prime is 27432995647. The reversal of 27432995628 is 82659923472.

It is a super-2 number, since 2×27432995628² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27432995621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78604398 + ... + 78604746.

Almost surely, 2^27432995628 is an apocalyptic number.

It is an amenable number.

27432995628 is an abundant number, since it is smaller than the sum of its proper divisors (37233255168).

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

27432995628 is an equidigital number, since it uses as much as digits as its factorization.

27432995628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 491 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 27432995628 in words is "twenty-seven billion, four hundred thirty-two million, nine hundred ninety-five thousand, six hundred twenty-eight".