86361863 has 12 divisors (see below), whose sum is σ = 100806552. Its totient is φ = 73770480.

The previous prime is 86361851. The next prime is 86361893. The reversal of 86361863 is 36816368.

It is not a de Polignac number, because 86361863 - 2⁶ = 86361799 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86361863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86361823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12173 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (8400546).

Almost surely, 2^86361863 is an apocalyptic number.

86361863 is a deficient number, since it is larger than the sum of its proper divisors (14444689).

86361863 is a wasteful number, since it uses less digits than its factorization.

86361863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062 (or 6055 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 86361863 is about 9293.1083605003. The cubic root of 86361863 is about 442.0187249358.

It can be divided in two parts, 863 and 61863, that added together give a palindrome (62726).

The spelling of 86361863 in words is "eighty-six million, three hundred sixty-one thousand, eight hundred sixty-three".