27797947000 has 32 divisors (see below), whose sum is σ = 65047198320. Its totient is φ = 11119178400.

The previous prime is 27797946961. The next prime is 27797947027. The reversal of 27797947000 is 74979772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13897974 + ... + 13899973.

Almost surely, 2^27797947000 is an apocalyptic number.

27797947000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27797947000 is an abundant number, since it is smaller than the sum of its proper divisors (37249251320).

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

27797947000 is a wasteful number, since it uses less digits than its factorization.

27797947000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27797968 (or 27797954 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 52.

The spelling of 27797947000 in words is "twenty-seven billion, seven hundred ninety-seven million, nine hundred forty-seven thousand".