853099128 has 112 divisors (see below), whose sum is σ = 2740981680. Its totient is φ = 243730944.

The previous prime is 853099111. The next prime is 853099133. The reversal of 853099128 is 821990358.

It is a happy number.

853099128 is a `hidden beast` number, since 8 + 530 + 9 + 91 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 30376 + ... + 51272.

Almost surely, 2^853099128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853099128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370490840).

853099128 is an abundant number, since it is smaller than the sum of its proper divisors (1887882552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853099128 is a wasteful number, since it uses less digits than its factorization.

853099128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928 (or 20909 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 853099128 is about 29207.8607227575. The cubic root of 853099128 is about 948.4180979051.

The spelling of 853099128 in words is "eight hundred fifty-three million, ninety-nine thousand, one hundred twenty-eight".