89699966 has 8 divisors (see below), whose sum is σ = 135153984. Its totient is φ = 44648640.

The previous prime is 89699927. The next prime is 89699983. The reversal of 89699966 is 66999698.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 89699899 and 89699908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100115 + ... + 101006.

It is an arithmetic number, because the mean of its divisors is an integer number (16894248).

Almost surely, 2^89699966 is an apocalyptic number.

89699966 is a deficient number, since it is larger than the sum of its proper divisors (45454018).

89699966 is a wasteful number, since it uses less digits than its factorization.

89699966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201346.

The product of its digits is 11337408, while the sum is 62.

The square root of 89699966 is about 9471.0065990897. The cubic root of 89699966 is about 447.6419299500.

The spelling of 89699966 in words is "eighty-nine million, six hundred ninety-nine thousand, nine hundred sixty-six".