27736700623 has 2 divisors, whose sum is σ = 27736700624. Its totient is φ = 27736700622.

The previous prime is 27736700617. The next prime is 27736700633. The reversal of 27736700623 is 32600763772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27736700623 - 2⁹ = 27736700111 is a prime.

It is a super-2 number, since 2×27736700623² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27736700623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27736700633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13868350311 + 13868350312.

It is an arithmetic number, because the mean of its divisors is an integer number (13868350312).

Almost surely, 2^27736700623 is an apocalyptic number.

27736700623 is a deficient number, since it is larger than the sum of its proper divisors (1).

27736700623 is an equidigital number, since it uses as much as digits as its factorization.

27736700623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 43.

The spelling of 27736700623 in words is "twenty-seven billion, seven hundred thirty-six million, seven hundred thousand, six hundred twenty-three".