89097311 has 4 divisors (see below), whose sum is σ = 89118624. Its totient is φ = 89076000.

The previous prime is 89097287. The next prime is 89097329. The reversal of 89097311 is 11379098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11379098 = 2 ⋅5689549.

It is a cyclic number.

It is not a de Polignac number, because 89097311 - 2¹⁸ = 88835167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89097341) 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, 2090 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (22279656).

Almost surely, 2^89097311 is an apocalyptic number.

89097311 is a deficient number, since it is larger than the sum of its proper divisors (21313).

89097311 is a wasteful number, since it uses less digits than its factorization.

89097311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 89097311 is about 9439.1371957399. The cubic root of 89097311 is about 446.6371726893.

The spelling of 89097311 in words is "eighty-nine million, ninety-seven thousand, three hundred eleven".