89991703 has 4 divisors (see below), whose sum is σ = 90237280. Its totient is φ = 89746128.

The previous prime is 89991683. The next prime is 89991739. The reversal of 89991703 is 30719998.

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 89991703 - 2¹³ = 89983511 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 (89991743) 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, 122238 + ... + 122971.

It is an arithmetic number, because the mean of its divisors is an integer number (22559320).

Almost surely, 2^89991703 is an apocalyptic number.

89991703 is a deficient number, since it is larger than the sum of its proper divisors (245577).

89991703 is a wasteful number, since it uses less digits than its factorization.

89991703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245576.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 89991703 is about 9486.3956801306. The cubic root of 89991703 is about 448.1267030417.

The spelling of 89991703 in words is "eighty-nine million, nine hundred ninety-one thousand, seven hundred three".