27960455577599 has 2 divisors, whose sum is σ = 27960455577600. Its totient is φ = 27960455577598.

The previous prime is 27960455577557. The next prime is 27960455577653. The reversal of 27960455577599 is 99577555406972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27960455577599 - 2³⁶ = 27891736100863 is a prime.

It is a super-2 number, since 2×27960455577599² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27960455577539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13980227788799 + 13980227788800.

It is an arithmetic number, because the mean of its divisors is an integer number (13980227788800).

Almost surely, 2^{27960455577599} is an apocalyptic number.

27960455577599 is a deficient number, since it is larger than the sum of its proper divisors (1).

27960455577599 is an equidigital number, since it uses as much as digits as its factorization.

27960455577599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7501410000, while the sum is 80.

The spelling of 27960455577599 in words is "twenty-seven trillion, nine hundred sixty billion, four hundred fifty-five million, five hundred seventy-seven thousand, five hundred ninety-nine".