90058524666889 has 3 divisors (see below), whose sum is σ = 90058534156807. Its totient is φ = 90058515176972.

The previous prime is 90058524666883. The next prime is 90058524666949. The reversal of 90058524666889 is 98866642585009.

The square root of 90058524666889 is 9489917.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 30650008700025 + 59408515966864 = 5536245^2 + 7707692^2 .

It is not a de Polignac number, because 90058524666889 - 2³ = 90058524666881 is a prime.

It is a super-2 number, since 2×90058524666889² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90058524666881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4744959 + ... + 14234875.

Almost surely, 2^{90058524666889} is an apocalyptic number.

90058524666889 is the 9489917-th square number.

90058524666889 is the 4744959-th centered octagonal number.

It is an amenable number.

90058524666889 is a deficient number, since it is larger than the sum of its proper divisors (9489918).

90058524666889 is an frugal number, since it uses more digits than its factorization.

90058524666889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18979834 (or 9489917 counting only the distinct ones).

The product of its (nonzero) digits is 1791590400, while the sum is 76.

The spelling of 90058524666889 in words is "ninety trillion, fifty-eight billion, five hundred twenty-four million, six hundred sixty-six thousand, eight hundred eighty-nine".