835257128260 has 96 divisors (see below), whose sum is σ = 1873984896000. Its totient is φ = 312108765696.

The previous prime is 835257128249. The next prime is 835257128269. The reversal of 835257128260 is 62821752538.

It is not an unprimeable number, because it can be changed into a prime (835257128269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3732621 + ... + 3950059.

It is an arithmetic number, because the mean of its divisors is an integer number (19520676000).

Almost surely, 2^835257128260 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 835257128260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936992448000).

835257128260 is an abundant number, since it is smaller than the sum of its proper divisors (1038727767740).

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

835257128260 is a wasteful number, since it uses less digits than its factorization.

835257128260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217693 (or 217691 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 835257128260 in words is "eight hundred thirty-five billion, two hundred fifty-seven million, one hundred twenty-eight thousand, two hundred sixty".