27477924124 has 24 divisors (see below), whose sum is σ = 55262874240. Its totient is φ = 11710461936.

The previous prime is 27477924121. The next prime is 27477924197. The reversal of 27477924124 is 42142977472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27477924121) 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, 2736202 + ... + 2746225.

It is an arithmetic number, because the mean of its divisors is an integer number (2302619760).

Almost surely, 2^27477924124 is an apocalyptic number.

It is an amenable number.

27477924124 is an abundant number, since it is smaller than the sum of its proper divisors (27784950116).

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

27477924124 is a wasteful number, since it uses less digits than its factorization.

27477924124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482617 (or 5482615 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The spelling of 27477924124 in words is "twenty-seven billion, four hundred seventy-seven million, nine hundred twenty-four thousand, one hundred twenty-four".