27890427000 has 64 divisors (see below), whose sum is σ = 87018141600. Its totient is φ = 7437446400.

The previous prime is 27890426923. The next prime is 27890427011. The reversal of 27890427000 is 72409872.

It is a self number, because there is not a number n which added to its sum of digits gives 27890427000.

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, 4645405 + ... + 4651404.

Almost surely, 2^27890427000 is an apocalyptic number.

27890427000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27890427000 is an abundant number, since it is smaller than the sum of its proper divisors (59127714600).

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

27890427000 is a wasteful number, since it uses less digits than its factorization.

27890427000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296833 (or 9296819 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 27890427000 in words is "twenty-seven billion, eight hundred ninety million, four hundred twenty-seven thousand".