27620037631 has 2 divisors, whose sum is σ = 27620037632. Its totient is φ = 27620037630.

The previous prime is 27620037617. The next prime is 27620037637. The reversal of 27620037631 is 13673002672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27620037631 is a prime.

It is a super-2 number, since 2×27620037631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27620037637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13810018815 + 13810018816.

It is an arithmetic number, because the mean of its divisors is an integer number (13810018816).

Almost surely, 2^27620037631 is an apocalyptic number.

27620037631 is a deficient number, since it is larger than the sum of its proper divisors (1).

27620037631 is an equidigital number, since it uses as much as digits as its factorization.

27620037631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 27620037631 in words is "twenty-seven billion, six hundred twenty million, thirty-seven thousand, six hundred thirty-one".