27931115652 has 48 divisors (see below), whose sum is σ = 71107341312. Its totient is φ = 8462789280.

The previous prime is 27931115633. The next prime is 27931115677. The reversal of 27931115652 is 25651113972.

It is a happy number.

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, 1576113 + ... + 1593735.

It is an arithmetic number, because the mean of its divisors is an integer number (1481402944).

Almost surely, 2^27931115652 is an apocalyptic number.

27931115652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27931115652 is an abundant number, since it is smaller than the sum of its proper divisors (43176225660).

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

27931115652 is a wasteful number, since it uses less digits than its factorization.

27931115652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29648 (or 29646 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The spelling of 27931115652 in words is "twenty-seven billion, nine hundred thirty-one million, one hundred fifteen thousand, six hundred fifty-two".