27771675375 has 128 divisors (see below), whose sum is σ = 49929384960. Its totient is φ = 13665600000.

The previous prime is 27771675359. The next prime is 27771675419. The reversal of 27771675375 is 57357617772.

It is not a de Polignac number, because 27771675375 - 2⁴ = 27771675359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 94783729 + ... + 94784021.

It is an arithmetic number, because the mean of its divisors is an integer number (390073320).

Almost surely, 2^27771675375 is an apocalyptic number.

27771675375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27771675375 is a deficient number, since it is larger than the sum of its proper divisors (22157709585).

27771675375 is a wasteful number, since it uses less digits than its factorization.

27771675375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its digits is 15126300, while the sum is 57.

The spelling of 27771675375 in words is "twenty-seven billion, seven hundred seventy-one million, six hundred seventy-five thousand, three hundred seventy-five".