27986022154823 has 2 divisors, whose sum is σ = 27986022154824. Its totient is φ = 27986022154822.

The previous prime is 27986022154813. The next prime is 27986022154859. The reversal of 27986022154823 is 32845122068972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27986022154823 - 2¹⁶ = 27986022089287 is a prime.

It is a super-2 number, since 2×27986022154823² (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 (27986022154813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13993011077411 + 13993011077412.

It is an arithmetic number, because the mean of its divisors is an integer number (13993011077412).

It is a 1-persistent number, because it is pandigital, but 2⋅27986022154823 = 55972044309646 is not.

Almost surely, 2^{27986022154823} is an apocalyptic number.

27986022154823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27986022154823 is an equidigital number, since it uses as much as digits as its factorization.

27986022154823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 27986022154823 in words is "twenty-seven trillion, nine hundred eighty-six billion, twenty-two million, one hundred fifty-four thousand, eight hundred twenty-three".