27690923983 has 2 divisors, whose sum is σ = 27690923984. Its totient is φ = 27690923982.

The previous prime is 27690923957. The next prime is 27690923999. The reversal of 27690923983 is 38932909672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27690923983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27690923903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13845461991 + 13845461992.

It is an arithmetic number, because the mean of its divisors is an integer number (13845461992).

Almost surely, 2^27690923983 is an apocalyptic number.

27690923983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27690923983 is an equidigital number, since it uses as much as digits as its factorization.

27690923983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 27690923983 in words is "twenty-seven billion, six hundred ninety million, nine hundred twenty-three thousand, nine hundred eighty-three".