89229867818 has 32 divisors (see below), whose sum is σ = 174422191104. Its totient is φ = 33223272192.

The previous prime is 89229867803. The next prime is 89229867829. The reversal of 89229867818 is 81876892298.

It is a super-2 number, since 2×89229867818² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14416730 + ... + 14422917.

It is an arithmetic number, because the mean of its divisors is an integer number (5450693472).

Almost surely, 2^89229867818 is an apocalyptic number.

89229867818 is a deficient number, since it is larger than the sum of its proper divisors (85192323286).

89229867818 is a wasteful number, since it uses less digits than its factorization.

89229867818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28839686.

The product of its digits is 55738368, while the sum is 68.

The spelling of 89229867818 in words is "eighty-nine billion, two hundred twenty-nine million, eight hundred sixty-seven thousand, eight hundred eighteen".