27986022154907 has 2 divisors, whose sum is σ = 27986022154908. Its totient is φ = 27986022154906.

The previous prime is 27986022154879. The next prime is 27986022154973. The reversal of 27986022154907 is 70945122068972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27986022154907 - 2¹⁴ = 27986022138523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27986022154907.

It is not a weakly prime, because it can be changed into another prime (27986022154997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13993011077453 + 13993011077454.

It is an arithmetic number, because the mean of its divisors is an integer number (13993011077454).

Almost surely, 2^{27986022154907} is an apocalyptic number.

27986022154907 is a deficient number, since it is larger than the sum of its proper divisors (1).

27986022154907 is an equidigital number, since it uses as much as digits as its factorization.

27986022154907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 27986022154907 in words is "twenty-seven trillion, nine hundred eighty-six billion, twenty-two million, one hundred fifty-four thousand, nine hundred seven".