853089867 has 32 divisors (see below), whose sum is σ = 1449615360. Its totient is φ = 485714880.

The previous prime is 853089859. The next prime is 853089883. The reversal of 853089867 is 768980358.

It is a happy number.

It is not a de Polignac number, because 853089867 - 2³ = 853089859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (853089827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45078 + ... + 61140.

It is an arithmetic number, because the mean of its divisors is an integer number (45300480).

Almost surely, 2^853089867 is an apocalyptic number.

853089867 is a deficient number, since it is larger than the sum of its proper divisors (596525493).

853089867 is a wasteful number, since it uses less digits than its factorization.

853089867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16360 (or 16354 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 853089867 is about 29207.7021862385. The cubic root of 853089867 is about 948.4146659742.

The spelling of 853089867 in words is "eight hundred fifty-three million, eighty-nine thousand, eight hundred sixty-seven".