27939602626580 has 48 divisors (see below), whose sum is σ = 59036574885120. Its totient is φ = 11106647597568.

The previous prime is 27939602626519. The next prime is 27939602626613. The reversal of 27939602626580 is 8562620693972.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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, 15522956 + ... + 17229084.

It is an arithmetic number, because the mean of its divisors is an integer number (1229928643440).

Almost surely, 2^{27939602626580} is an apocalyptic number.

27939602626580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27939602626580 is an abundant number, since it is smaller than the sum of its proper divisors (31096972258540).

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

27939602626580 is a wasteful number, since it uses less digits than its factorization.

27939602626580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711208 (or 1711206 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 27939602626580 in words is "twenty-seven trillion, nine hundred thirty-nine billion, six hundred two million, six hundred twenty-six thousand, five hundred eighty".