27015054972 has 24 divisors (see below), whose sum is σ = 63922948992. Its totient is φ = 8878186800.

The previous prime is 27015054919. The next prime is 27015054991. The reversal of 27015054972 is 27945051072.

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, 15853054 + ... + 15854757.

It is an arithmetic number, because the mean of its divisors is an integer number (2663456208).

Almost surely, 2^27015054972 is an apocalyptic number.

It is an amenable number.

27015054972 is an abundant number, since it is smaller than the sum of its proper divisors (36907894020).

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

27015054972 is a wasteful number, since it uses less digits than its factorization.

27015054972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31707889 (or 31707887 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 27015054972 in words is "twenty-seven billion, fifteen million, fifty-four thousand, nine hundred seventy-two".