27604137623 has 2 divisors, whose sum is σ = 27604137624. Its totient is φ = 27604137622.

The previous prime is 27604137563. The next prime is 27604137647. The reversal of 27604137623 is 32673140672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27604137623 - 2¹⁴ = 27604121239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27604137653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13802068811 + 13802068812.

It is an arithmetic number, because the mean of its divisors is an integer number (13802068812).

Almost surely, 2^27604137623 is an apocalyptic number.

27604137623 is a deficient number, since it is larger than the sum of its proper divisors (1).

27604137623 is an equidigital number, since it uses as much as digits as its factorization.

27604137623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 27604137623 in words is "twenty-seven billion, six hundred four million, one hundred thirty-seven thousand, six hundred twenty-three".