27904113708 has 12 divisors (see below), whose sum is σ = 65109598680. Its totient is φ = 9301371232.

The previous prime is 27904113689. The next prime is 27904113761. The reversal of 27904113708 is 80731140972.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 27904113708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162671393 + ... + 1162671416.

It is an arithmetic number, because the mean of its divisors is an integer number (5425799890).

Almost surely, 2^27904113708 is an apocalyptic number.

It is an amenable number.

27904113708 is an abundant number, since it is smaller than the sum of its proper divisors (37205484972).

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

27904113708 is a wasteful number, since it uses less digits than its factorization.

27904113708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325342816 (or 2325342814 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 27904113708 in words is "twenty-seven billion, nine hundred four million, one hundred thirteen thousand, seven hundred eight".