823468869 has 16 divisors (see below), whose sum is σ = 1223424000. Its totient is φ = 547417728.

The previous prime is 823468859. The next prime is 823468871. The reversal of 823468869 is 968864328.

It is not a de Polignac number, because 823468869 - 2⁵ = 823468837 is a prime.

It is a super-2 number, since 2×823468869² = 1356201956424278322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823468819) 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, 33669 + ... + 52730.

It is an arithmetic number, because the mean of its divisors is an integer number (76464000).

Almost surely, 2^823468869 is an apocalyptic number.

It is an amenable number.

823468869 is a deficient number, since it is larger than the sum of its proper divisors (399955131).

823468869 is a wasteful number, since it uses less digits than its factorization.

823468869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86761 (or 86755 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 823468869 is about 28696.1472849580. The cubic root of 823468869 is about 937.3081540241.

The spelling of 823468869 in words is "eight hundred twenty-three million, four hundred sixty-eight thousand, eight hundred sixty-nine".