89180969 has 4 divisors (see below), whose sum is σ = 90014544. Its totient is φ = 88347396.

The previous prime is 89180947. The next prime is 89180977. The reversal of 89180969 is 96908198.

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 not a de Polignac number, because 89180969 - 2²⁴ = 72403753 is a prime.

It is a super-2 number, since 2×89180969² = 15906490463557922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89180909) 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, 416627 + ... + 416840.

It is an arithmetic number, because the mean of its divisors is an integer number (22503636).

Almost surely, 2^89180969 is an apocalyptic number.

It is an amenable number.

89180969 is a deficient number, since it is larger than the sum of its proper divisors (833575).

89180969 is a wasteful number, since it uses less digits than its factorization.

89180969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833574.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 89180969 is about 9443.5675991651. The cubic root of 89180969 is about 446.7769190846.

The spelling of 89180969 in words is "eighty-nine million, one hundred eighty thousand, nine hundred sixty-nine".