27956388804 has 48 divisors (see below), whose sum is σ = 65509321920. Its totient is φ = 9279204480.

The previous prime is 27956388793. The next prime is 27956388827. The reversal of 27956388804 is 40888365972.

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, 2839362 + ... + 2849190.

It is an arithmetic number, because the mean of its divisors is an integer number (1364777540).

Almost surely, 2^27956388804 is an apocalyptic number.

It is an amenable number.

27956388804 is an abundant number, since it is smaller than the sum of its proper divisors (37552933116).

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

27956388804 is a wasteful number, since it uses less digits than its factorization.

27956388804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820 (or 10818 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 27956388804 in words is "twenty-seven billion, nine hundred fifty-six million, three hundred eighty-eight thousand, eight hundred four".