86357863 has 2 divisors, whose sum is σ = 86357864. Its totient is φ = 86357862.

The previous prime is 86357851. The next prime is 86357879. The reversal of 86357863 is 36875368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86357863 - 2¹³ = 86349671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86357833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43178931 + 43178932.

It is an arithmetic number, because the mean of its divisors is an integer number (43178932).

Almost surely, 2^86357863 is an apocalyptic number.

86357863 is a deficient number, since it is larger than the sum of its proper divisors (1).

86357863 is an equidigital number, since it uses as much as digits as its factorization.

86357863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 86357863 is about 9292.8931447639. The cubic root of 86357863 is about 442.0119005416.

The spelling of 86357863 in words is "eighty-six million, three hundred fifty-seven thousand, eight hundred sixty-three".