27687151805346 has 24 divisors (see below), whose sum is σ = 65442358813104. Its totient is φ = 8390046001560.

The previous prime is 27687151805281. The next prime is 27687151805359. The reversal of 27687151805346 is 64350815178672.

It is a happy number.

27687151805346 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 7 + 15 + 1 + 80 + 534 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69917049816 + ... + 69917050211.

It is an arithmetic number, because the mean of its divisors is an integer number (2726764950546).

Almost surely, 2^{27687151805346} is an apocalyptic number.

27687151805346 is an abundant number, since it is smaller than the sum of its proper divisors (37755207007758).

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

27687151805346 is a wasteful number, since it uses less digits than its factorization.

27687151805346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139834100046 (or 139834100043 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 27687151805346 in words is "twenty-seven trillion, six hundred eighty-seven billion, one hundred fifty-one million, eight hundred five thousand, three hundred forty-six".