89691313 has 8 divisors (see below), whose sum is σ = 92090880. Its totient is φ = 87301920.

The previous prime is 89691311. The next prime is 89691319. The reversal of 89691313 is 31319698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89691313 - 2¹ = 89691311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89691311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17356 + ... + 21922.

It is an arithmetic number, because the mean of its divisors is an integer number (11511360).

Almost surely, 2^89691313 is an apocalyptic number.

It is an amenable number.

89691313 is a deficient number, since it is larger than the sum of its proper divisors (2399567).

89691313 is a wasteful number, since it uses less digits than its factorization.

89691313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087.

The product of its digits is 34992, while the sum is 40.

The square root of 89691313 is about 9470.5497728485. The cubic root of 89691313 is about 447.6275354066.

The spelling of 89691313 in words is "eighty-nine million, six hundred ninety-one thousand, three hundred thirteen".