89516129 has 4 divisors (see below), whose sum is σ = 89573040. Its totient is φ = 89459220.

The previous prime is 89516123. The next prime is 89516137. The reversal of 89516129 is 92161598.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89516129 - 2⁴ = 89516113 is a prime.

It is a super-2 number, since 2×89516129² = 16026274702289282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89516123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26027 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (22393260).

Almost surely, 2^89516129 is an apocalyptic number.

It is an amenable number.

89516129 is a deficient number, since it is larger than the sum of its proper divisors (56911).

89516129 is a wasteful number, since it uses less digits than its factorization.

89516129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56910.

The product of its digits is 38880, while the sum is 41.

The square root of 89516129 is about 9461.2963699485. The cubic root of 89516129 is about 447.3359118758.

The spelling of 89516129 in words is "eighty-nine million, five hundred sixteen thousand, one hundred twenty-nine".