89612817 has 24 divisors (see below), whose sum is σ = 142233696. Its totient is φ = 50012928.

The previous prime is 89612791. The next prime is 89612819. The reversal of 89612817 is 71821698.

It is not a de Polignac number, because 89612817 - 2⁶ = 89612753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89612819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (5926404).

Almost surely, 2^89612817 is an apocalyptic number.

It is an amenable number.

89612817 is a deficient number, since it is larger than the sum of its proper divisors (52620879).

89612817 is a wasteful number, since it uses less digits than its factorization.

89612817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237 (or 14230 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 89612817 is about 9466.4046501298. The cubic root of 89612817 is about 447.4969124762.

The spelling of 89612817 in words is "eighty-nine million, six hundred twelve thousand, eight hundred seventeen".