89959969 has 8 divisors (see below), whose sum is σ = 102405312. Its totient is φ = 78225840.

The previous prime is 89959967. The next prime is 89959973. The reversal of 89959969 is 96995998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89959969 - 2¹ = 89959967 is a prime.

It is a super-2 number, since 2×89959969² = 16185592044961922, 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 89959969.

It is not an unprimeable number, because it can be changed into a prime (89959963) 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 7 ways as a sum of consecutive naturals, for example, 177534 + ... + 178039.

It is an arithmetic number, because the mean of its divisors is an integer number (12800664).

Almost surely, 2^89959969 is an apocalyptic number.

It is an amenable number.

89959969 is a deficient number, since it is larger than the sum of its proper divisors (12445343).

89959969 is a wasteful number, since it uses less digits than its factorization.

89959969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355607.

The product of its digits is 14171760, while the sum is 64.

The square root of 89959969 is about 9484.7229268967. The cubic root of 89959969 is about 448.0740221677.

The spelling of 89959969 in words is "eighty-nine million, nine hundred fifty-nine thousand, nine hundred sixty-nine".