89876999 has 4 divisors (see below), whose sum is σ = 90803664. Its totient is φ = 88950336.

The previous prime is 89876993. The next prime is 89877017. The reversal of 89876999 is 99967898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89876999 - 2¹² = 89872903 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 (89876993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463187 + ... + 463380.

It is an arithmetic number, because the mean of its divisors is an integer number (22700916).

Almost surely, 2^89876999 is an apocalyptic number.

89876999 is a deficient number, since it is larger than the sum of its proper divisors (926665).

89876999 is an equidigital number, since it uses as much as digits as its factorization.

89876999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926664.

The product of its digits is 17635968, while the sum is 65.

The square root of 89876999 is about 9480.3480421343. The cubic root of 89876999 is about 447.9362270379.

The spelling of 89876999 in words is "eighty-nine million, eight hundred seventy-six thousand, nine hundred ninety-nine".