86977271 has 2 divisors, whose sum is σ = 86977272. Its totient is φ = 86977270.

The previous prime is 86977249. The next prime is 86977309. The reversal of 86977271 is 17277968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86977271 - 2⁶ = 86977207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86977211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43488635 + 43488636.

It is an arithmetic number, because the mean of its divisors is an integer number (43488636).

Almost surely, 2^86977271 is an apocalyptic number.

86977271 is a deficient number, since it is larger than the sum of its proper divisors (1).

86977271 is an equidigital number, since it uses as much as digits as its factorization.

86977271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 47.

The square root of 86977271 is about 9326.1605712104. The cubic root of 86977271 is about 443.0661713444.

The spelling of 86977271 in words is "eighty-six million, nine hundred seventy-seven thousand, two hundred seventy-one".