27957733320 has 64 divisors (see below), whose sum is σ = 91498040640. Its totient is φ = 6777632000.

The previous prime is 27957733303. The next prime is 27957733339. The reversal of 27957733320 is 2333775972.

It is a self number, because there is not a number n which added to its sum of digits gives 27957733320.

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, 10588731 + ... + 10591370.

It is an arithmetic number, because the mean of its divisors is an integer number (1429656885).

Almost surely, 2^27957733320 is an apocalyptic number.

27957733320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27957733320 is an abundant number, since it is smaller than the sum of its proper divisors (63540307320).

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

27957733320 is a wasteful number, since it uses less digits than its factorization.

27957733320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180126 (or 21180122 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 48.

The spelling of 27957733320 in words is "twenty-seven billion, nine hundred fifty-seven million, seven hundred thirty-three thousand, three hundred twenty".