27655147464 has 64 divisors (see below), whose sum is σ = 79034102400. Its totient is φ = 7899531264.

The previous prime is 27655147433. The next prime is 27655147493. The reversal of 27655147464 is 46474155672.

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, 754392 + ... + 790200.

It is an arithmetic number, because the mean of its divisors is an integer number (1234907850).

Almost surely, 2^27655147464 is an apocalyptic number.

27655147464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27655147464 is an abundant number, since it is smaller than the sum of its proper divisors (51378954936).

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

27655147464 is a wasteful number, since it uses less digits than its factorization.

27655147464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40422 (or 40418 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 51.

The spelling of 27655147464 in words is "twenty-seven billion, six hundred fifty-five million, one hundred forty-seven thousand, four hundred sixty-four".