86913963 has 6 divisors (see below), whose sum is σ = 125542404. Its totient is φ = 57942636.

The previous prime is 86913947. The next prime is 86913971. The reversal of 86913963 is 36931968.

It is not a de Polignac number, because 86913963 - 2⁴ = 86913947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86913263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4828545 + ... + 4828562.

It is an arithmetic number, because the mean of its divisors is an integer number (20923734).

Almost surely, 2^86913963 is an apocalyptic number.

86913963 is a deficient number, since it is larger than the sum of its proper divisors (38628441).

86913963 is a wasteful number, since it uses less digits than its factorization.

86913963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657113 (or 9657110 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 86913963 is about 9322.7658449625. The cubic root of 86913963 is about 442.9586473093.

The spelling of 86913963 in words is "eighty-six million, nine hundred thirteen thousand, nine hundred sixty-three".