27775086231 has 8 divisors (see below), whose sum is σ = 37037286000. Its totient is φ = 18514805312.

The previous prime is 27775086221. The next prime is 27775086253. The reversal of 27775086231 is 13268057772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27775086231 - 2⁶ = 27775086167 is a prime.

It is a super-2 number, since 2×27775086231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27775086211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445590 + ... + 504083.

It is an arithmetic number, because the mean of its divisors is an integer number (4629660750).

Almost surely, 2^27775086231 is an apocalyptic number.

27775086231 is a deficient number, since it is larger than the sum of its proper divisors (9262199769).

27775086231 is an equidigital number, since it uses as much as digits as its factorization.

27775086231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959425.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 27775086231 in words is "twenty-seven billion, seven hundred seventy-five million, eighty-six thousand, two hundred thirty-one".