27655146875 has 12 divisors (see below), whose sum is σ = 34566725088. Its totient is φ = 22124115000.

The previous prime is 27655146859. The next prime is 27655146901. The reversal of 27655146875 is 57864155672.

It is not a de Polignac number, because 27655146875 - 2⁴ = 27655146859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27655146875.

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, 4421699 + ... + 4427948.

It is an arithmetic number, because the mean of its divisors is an integer number (2880560424).

Almost surely, 2^27655146875 is an apocalyptic number.

27655146875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27655146875 is a deficient number, since it is larger than the sum of its proper divisors (6911578213).

27655146875 is an frugal number, since it uses more digits than its factorization.

27655146875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849672 (or 8849652 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 56.

The spelling of 27655146875 in words is "twenty-seven billion, six hundred fifty-five million, one hundred forty-six thousand, eight hundred seventy-five".