27760631 has 2 divisors, whose sum is σ = 27760632. Its totient is φ = 27760630.

The previous prime is 27760591. The next prime is 27760633. The reversal of 27760631 is 13606772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27760631 is a prime.

It is a super-2 number, since 2×27760631² = 1541305267036322, which contains 22 as substring.

Together with 27760633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27760633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880315 + 13880316.

It is an arithmetic number, because the mean of its divisors is an integer number (13880316).

Almost surely, 2^27760631 is an apocalyptic number.

27760631 is a deficient number, since it is larger than the sum of its proper divisors (1).

27760631 is an equidigital number, since it uses as much as digits as its factorization.

27760631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 27760631 is about 5268.8358296686. The cubic root of 27760631 is about 302.7911037862.

The spelling of 27760631 in words is "twenty-seven million, seven hundred sixty thousand, six hundred thirty-one".