89975719 has 16 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 84364000.

The previous prime is 89975693. The next prime is 89975729. The reversal of 89975719 is 91757998.

It is a cyclic number.

It is not a de Polignac number, because 89975719 - 2⁵ = 89975687 is a prime.

It is a super-2 number, since 2×89975719² = 16191260019133922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89975719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89975729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341982 + ... + 342244.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^89975719 is an apocalyptic number.

89975719 is a deficient number, since it is larger than the sum of its proper divisors (5824601).

89975719 is a wasteful number, since it uses less digits than its factorization.

89975719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 1428840, while the sum is 55.

The square root of 89975719 is about 9485.5531731154. The cubic root of 89975719 is about 448.1001699240.

The spelling of 89975719 in words is "eighty-nine million, nine hundred seventy-five thousand, seven hundred nineteen".