27715452212 has 24 divisors (see below), whose sum is σ = 56929039104. Its totient is φ = 11557022112.

The previous prime is 27715452179. The next prime is 27715452229. The reversal of 27715452212 is 21225451772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13375148 + ... + 13377219.

It is an arithmetic number, because the mean of its divisors is an integer number (2372043296).

Almost surely, 2^27715452212 is an apocalyptic number.

It is an amenable number.

27715452212 is an abundant number, since it is smaller than the sum of its proper divisors (29213586892).

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

27715452212 is a wasteful number, since it uses less digits than its factorization.

27715452212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26752415 (or 26752413 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The spelling of 27715452212 in words is "twenty-seven billion, seven hundred fifteen million, four hundred fifty-two thousand, two hundred twelve".