27947430960 has 80 divisors (see below), whose sum is σ = 87823899744. Its totient is φ = 7350552576.

The previous prime is 27947430913. The next prime is 27947430967. The reversal of 27947430960 is 6903474972.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27947430967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780067 + ... + 815106.

Almost surely, 2^27947430960 is an apocalyptic number.

27947430960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27947430960 is an abundant number, since it is smaller than the sum of its proper divisors (59876468784).

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

27947430960 is a wasteful number, since it uses less digits than its factorization.

27947430960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595262 (or 1595256 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 27947430960 in words is "twenty-seven billion, nine hundred forty-seven million, four hundred thirty thousand, nine hundred sixty".