86387963 has 4 divisors (see below), whose sum is σ = 86840448. Its totient is φ = 85935480.

The previous prime is 86387947. The next prime is 86387969. The reversal of 86387963 is 36978368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86387963 - 2⁴ = 86387947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86387969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225956 + ... + 226337.

It is an arithmetic number, because the mean of its divisors is an integer number (21710112).

Almost surely, 2^86387963 is an apocalyptic number.

86387963 is a deficient number, since it is larger than the sum of its proper divisors (452485).

86387963 is a wasteful number, since it uses less digits than its factorization.

86387963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452484.

The product of its digits is 1306368, while the sum is 50.

The square root of 86387963 is about 9294.5125208372. The cubic root of 86387963 is about 442.0632489356.

The spelling of 86387963 in words is "eighty-six million, three hundred eighty-seven thousand, nine hundred sixty-three".