86963969 has 4 divisors (see below), whose sum is σ = 91541040. Its totient is φ = 82386900.

The previous prime is 86963939. The next prime is 86963977. The reversal of 86963969 is 96936968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86963969 is a prime.

It is a super-2 number, since 2×86963969² = 15125463808465922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86963939) 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, 2288507 + ... + 2288544.

It is an arithmetic number, because the mean of its divisors is an integer number (22885260).

Almost surely, 2^86963969 is an apocalyptic number.

It is an amenable number.

86963969 is a deficient number, since it is larger than the sum of its proper divisors (4577071).

86963969 is a wasteful number, since it uses less digits than its factorization.

86963969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577070.

The product of its digits is 3779136, while the sum is 56.

The square root of 86963969 is about 9325.4473887315. The cubic root of 86963969 is about 443.0435831953.

The spelling of 86963969 in words is "eighty-six million, nine hundred sixty-three thousand, nine hundred sixty-nine".