899856967 has 16 divisors (see below), whose sum is σ = 977731200. Its totient is φ = 825469920.

The previous prime is 899856941. The next prime is 899857009. The reversal of 899856967 is 769658998.

It is a cyclic number.

It is not a de Polignac number, because 899856967 - 2¹¹ = 899854919 is a prime.

It is a super-2 number, since 2×899856967² = 1619485122116878178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899856467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69117 + ... + 81097.

It is an arithmetic number, because the mean of its divisors is an integer number (61108200).

Almost surely, 2^899856967 is an apocalyptic number.

899856967 is a deficient number, since it is larger than the sum of its proper divisors (77874233).

899856967 is a wasteful number, since it uses less digits than its factorization.

899856967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126.

The product of its digits is 58786560, while the sum is 67.

The square root of 899856967 is about 29997.6160219441. The cubic root of 899856967 is about 965.4382349169.

The spelling of 899856967 in words is "eight hundred ninety-nine million, eight hundred fifty-six thousand, nine hundred sixty-seven".