27777780814 has 24 divisors (see below), whose sum is σ = 49053376008. Its totient is φ = 11761328880.

The previous prime is 27777780757. The next prime is 27777780859. The reversal of 27777780814 is 41808777772.

It is a congruent number.

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, 1699377 + ... + 1715644.

It is an arithmetic number, because the mean of its divisors is an integer number (2043890667).

Almost surely, 2^27777780814 is an apocalyptic number.

27777780814 is a deficient number, since it is larger than the sum of its proper divisors (21275595194).

27777780814 is a wasteful number, since it uses less digits than its factorization.

27777780814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415120 (or 3415113 counting only the distinct ones).

The product of its (nonzero) digits is 8605184, while the sum is 58.

The spelling of 27777780814 in words is "twenty-seven billion, seven hundred seventy-seven million, seven hundred eighty thousand, eight hundred fourteen".