27185874680 has 16 divisors (see below), whose sum is σ = 61168218120. Its totient is φ = 10874349856.

The previous prime is 27185874647. The next prime is 27185874689. The reversal of 27185874680 is 8647858172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27185874689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339823394 + ... + 339823473.

Almost surely, 2^27185874680 is an apocalyptic number.

27185874680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27185874680 is an abundant number, since it is smaller than the sum of its proper divisors (33982343440).

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

27185874680 is a wasteful number, since it uses less digits than its factorization.

27185874680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679646878 (or 679646874 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 27185874680 in words is "twenty-seven billion, one hundred eighty-five million, eight hundred seventy-four thousand, six hundred eighty".