899279689 has 8 divisors (see below), whose sum is σ = 1121179968. Its totient is φ = 700737360.

The previous prime is 899279687. The next prime is 899279699. The reversal of 899279689 is 986972998.

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 899279689 - 2¹ = 899279687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899279687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839402 + ... + 5839555.

It is an arithmetic number, because the mean of its divisors is an integer number (140147496).

Almost surely, 2^899279689 is an apocalyptic number.

It is an amenable number.

899279689 is a deficient number, since it is larger than the sum of its proper divisors (221900279).

899279689 is a wasteful number, since it uses less digits than its factorization.

899279689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678975.

The product of its digits is 35271936, while the sum is 67.

The square root of 899279689 is about 29987.9924136312. The cubic root of 899279689 is about 965.2317408127.

The spelling of 899279689 in words is "eight hundred ninety-nine million, two hundred seventy-nine thousand, six hundred eighty-nine".