853080889 has 4 divisors (see below), whose sum is σ = 863359056. Its totient is φ = 842802724.

The previous prime is 853080887. The next prime is 853080901. The reversal of 853080889 is 988080358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853080889 - 2¹ = 853080887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853080881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138959 + ... + 5139124.

It is an arithmetic number, because the mean of its divisors is an integer number (215839764).

Almost surely, 2^853080889 is an apocalyptic number.

It is an amenable number.

853080889 is a deficient number, since it is larger than the sum of its proper divisors (10278167).

853080889 is a wasteful number, since it uses less digits than its factorization.

853080889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278166.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 853080889 is about 29207.5484934974. The cubic root of 853080889 is about 948.4113388934.

The spelling of 853080889 in words is "eight hundred fifty-three million, eighty thousand, eight hundred eighty-nine".