835081128 has 72 divisors (see below), whose sum is σ = 2630942730. Its totient is φ = 238593600.

The previous prime is 835081097. The next prime is 835081133. The reversal of 835081128 is 821180538.

It can be written as a sum of positive squares in only one way, i.e., 770728644 + 64352484 = 27762^2 + 8022^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 835081092 and 835081101.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114823 + ... + 121878.

Almost surely, 2^835081128 is an apocalyptic number.

It is an amenable number.

835081128 is an abundant number, since it is smaller than the sum of its proper divisors (1795861602).

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

835081128 is a wasteful number, since it uses less digits than its factorization.

835081128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236727 (or 236713 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 835081128 is about 28897.7702946092. The cubic root of 835081128 is about 941.6934645710.

The spelling of 835081128 in words is "eight hundred thirty-five million, eighty-one thousand, one hundred twenty-eight".