27925388880 has 80 divisors (see below), whose sum is σ = 88908428544. Its totient is φ = 7245504000.

The previous prime is 27925388873. The next prime is 27925388891. The reversal of 27925388880 is 8888352972.

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

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 1563496 + ... + 1581255.

Almost surely, 2^27925388880 is an apocalyptic number.

27925388880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27925388880 is an abundant number, since it is smaller than the sum of its proper divisors (60983039664).

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

27925388880 is a wasteful number, since it uses less digits than its factorization.

27925388880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144804 (or 3144798 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 27925388880 in words is "twenty-seven billion, nine hundred twenty-five million, three hundred eighty-eight thousand, eight hundred eighty".