27677758412 has 24 divisors (see below), whose sum is σ = 51793045920. Its totient is φ = 12895865600.

The previous prime is 27677758399. The next prime is 27677758457. The reversal of 27677758412 is 21485777672.

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, 2008112 + ... + 2021847.

It is an arithmetic number, because the mean of its divisors is an integer number (2158043580).

Almost surely, 2^27677758412 is an apocalyptic number.

It is an amenable number.

27677758412 is a deficient number, since it is larger than the sum of its proper divisors (24115287508).

27677758412 is a wasteful number, since it uses less digits than its factorization.

27677758412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030081 (or 4030079 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 56.

The spelling of 27677758412 in words is "twenty-seven billion, six hundred seventy-seven million, seven hundred fifty-eight thousand, four hundred twelve".