27777117675 has 48 divisors (see below), whose sum is σ = 47080924128. Its totient is φ = 14442086400.

The previous prime is 27777117661. The next prime is 27777117679. The reversal of 27777117675 is 57671177772.

It is not a de Polignac number, because 27777117675 - 2⁶ = 27777117611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27777117679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5387899 + ... + 5393051.

It is an arithmetic number, because the mean of its divisors is an integer number (980852586).

Almost surely, 2^27777117675 is an apocalyptic number.

27777117675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27777117675 is a deficient number, since it is larger than the sum of its proper divisors (19303806453).

27777117675 is a wasteful number, since it uses less digits than its factorization.

27777117675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960 (or 6955 counting only the distinct ones).

The product of its digits is 7058940, while the sum is 57.

The spelling of 27777117675 in words is "twenty-seven billion, seven hundred seventy-seven million, one hundred seventeen thousand, six hundred seventy-five".