89500691 has 4 divisors (see below), whose sum is σ = 102286512. Its totient is φ = 76714872.

The previous prime is 89500681. The next prime is 89500693. The reversal of 89500691 is 19600598.

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 89500691 - 2¹⁰ = 89499667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89500693) 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 3 ways as a sum of consecutive naturals, for example, 6392900 + ... + 6392913.

It is an arithmetic number, because the mean of its divisors is an integer number (25571628).

Almost surely, 2^89500691 is an apocalyptic number.

89500691 is a deficient number, since it is larger than the sum of its proper divisors (12785821).

89500691 is a wasteful number, since it uses less digits than its factorization.

89500691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785820.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 89500691 is about 9460.4804846266. The cubic root of 89500691 is about 447.3101944662.

The spelling of 89500691 in words is "eighty-nine million, five hundred thousand, six hundred ninety-one".