89999913331 has 4 divisors (see below), whose sum is σ = 91914805152. Its totient is φ = 88085021512.

The previous prime is 89999913319. The next prime is 89999913337. The reversal of 89999913331 is 13331999998.

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 89999913331 - 2¹⁷ = 89999782259 is a prime.

It is a super-2 number, since 2×89999913331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89999913337) 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, 957445840 + ... + 957445933.

It is an arithmetic number, because the mean of its divisors is an integer number (22978701288).

Almost surely, 2^89999913331 is an apocalyptic number.

89999913331 is a deficient number, since it is larger than the sum of its proper divisors (1914891821).

89999913331 is a wasteful number, since it uses less digits than its factorization.

89999913331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914891820.

The product of its digits is 12754584, while the sum is 64.

The spelling of 89999913331 in words is "eighty-nine billion, nine hundred ninety-nine million, nine hundred thirteen thousand, three hundred thirty-one".