86575663 has 2 divisors, whose sum is σ = 86575664. Its totient is φ = 86575662.

The previous prime is 86575661. The next prime is 86575681. The reversal of 86575663 is 36657568.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86575663 - 2¹ = 86575661 is a prime.

Together with 86575661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86575661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43287831 + 43287832.

It is an arithmetic number, because the mean of its divisors is an integer number (43287832).

Almost surely, 2^86575663 is an apocalyptic number.

86575663 is a deficient number, since it is larger than the sum of its proper divisors (1).

86575663 is an equidigital number, since it uses as much as digits as its factorization.

86575663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The square root of 86575663 is about 9304.6043978237. The cubic root of 86575663 is about 442.3831825867.

The spelling of 86575663 in words is "eighty-six million, five hundred seventy-five thousand, six hundred sixty-three".