27872446087 has 2 divisors, whose sum is σ = 27872446088. Its totient is φ = 27872446086.

The previous prime is 27872446081. The next prime is 27872446097. The reversal of 27872446087 is 78064427872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27872446087 - 2³ = 27872446079 is a prime.

It is a super-2 number, since 2×27872446087² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27872446081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13936223043 + 13936223044.

It is an arithmetic number, because the mean of its divisors is an integer number (13936223044).

Almost surely, 2^27872446087 is an apocalyptic number.

27872446087 is a deficient number, since it is larger than the sum of its proper divisors (1).

27872446087 is an equidigital number, since it uses as much as digits as its factorization.

27872446087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The spelling of 27872446087 in words is "twenty-seven billion, eight hundred seventy-two million, four hundred forty-six thousand, eighty-seven".