89561213 has 8 divisors (see below), whose sum is σ = 102804480. Its totient is φ = 76430160.

The previous prime is 89561209. The next prime is 89561243. The reversal of 89561213 is 31216598.

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

It is a cyclic number.

It is not a de Polignac number, because 89561213 - 2² = 89561209 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 (89561203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26333 + ... + 29538.

It is an arithmetic number, because the mean of its divisors is an integer number (12850560).

Almost surely, 2^89561213 is an apocalyptic number.

It is an amenable number.

89561213 is a deficient number, since it is larger than the sum of its proper divisors (13243267).

89561213 is a wasteful number, since it uses less digits than its factorization.

89561213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56107.

The product of its digits is 12960, while the sum is 35.

The square root of 89561213 is about 9463.6786188036. The cubic root of 89561213 is about 447.4109981858.

The spelling of 89561213 in words is "eighty-nine million, five hundred sixty-one thousand, two hundred thirteen".