27179955990 has 48 divisors (see below), whose sum is σ = 77092241616. Its totient is φ = 6589080000.

The previous prime is 27179955961. The next prime is 27179956007. The reversal of 27179955990 is 9955997172.

27179955990 is a `hidden beast` number, since 2 + 7 + 1 + 79 + 9 + 559 + 9 + 0 = 666.

27179955990 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13726261 + ... + 13728240.

It is an arithmetic number, because the mean of its divisors is an integer number (1606088367).

Almost surely, 2^27179955990 is an apocalyptic number.

27179955990 is an abundant number, since it is smaller than the sum of its proper divisors (49912285626).

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

27179955990 is a wasteful number, since it uses less digits than its factorization.

27179955990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27454525 (or 27454522 counting only the distinct ones).

The product of its (nonzero) digits is 16074450, while the sum is 63.

The spelling of 27179955990 in words is "twenty-seven billion, one hundred seventy-nine million, nine hundred fifty-five thousand, nine hundred ninety".