899825769 has 24 divisors (see below), whose sum is σ = 1378634400. Its totient is φ = 563958720.

The previous prime is 899825743. The next prime is 899825777. The reversal of 899825769 is 967528998.

It is not a de Polignac number, because 899825769 - 2¹² = 899821673 is a prime.

It is a super-2 number, since 2×899825769² = 1619372829112882722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (899825779) 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, 2317 + ... + 42485.

It is an arithmetic number, because the mean of its divisors is an integer number (57443100).

Almost surely, 2^899825769 is an apocalyptic number.

It is an amenable number.

899825769 is a deficient number, since it is larger than the sum of its proper divisors (478808631).

899825769 is a wasteful number, since it uses less digits than its factorization.

899825769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40325 (or 40322 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 899825769 is about 29997.0960094473. The cubic root of 899825769 is about 965.4270775548.

The spelling of 899825769 in words is "eight hundred ninety-nine million, eight hundred twenty-five thousand, seven hundred sixty-nine".