89669501 has 4 divisors (see below), whose sum is σ = 91856604. Its totient is φ = 87482400.

The previous prime is 89669497. The next prime is 89669507. The reversal of 89669501 is 10596698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 87422500 = 1499^2 + 9350^2 .

It is a cyclic number.

It is not a de Polignac number, because 89669501 - 2² = 89669497 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 (89669507) 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 3 ways as a sum of consecutive naturals, for example, 1093490 + ... + 1093571.

It is an arithmetic number, because the mean of its divisors is an integer number (22964151).

Almost surely, 2^89669501 is an apocalyptic number.

It is an amenable number.

89669501 is a deficient number, since it is larger than the sum of its proper divisors (2187103).

89669501 is a wasteful number, since it uses less digits than its factorization.

89669501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187102.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 89669501 is about 9469.3981329333. The cubic root of 89669501 is about 447.5912463352.

The spelling of 89669501 in words is "eighty-nine million, six hundred sixty-nine thousand, five hundred one".