826861128 has 16 divisors (see below), whose sum is σ = 2067152880. Its totient is φ = 275620368.

The previous prime is 826861121. The next prime is 826861129. The reversal of 826861128 is 821168628.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 826861128.

It is not an unprimeable number, because it can be changed into a prime (826861121) 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, 17226250 + ... + 17226297.

It is an arithmetic number, because the mean of its divisors is an integer number (129197055).

Almost surely, 2^826861128 is an apocalyptic number.

It is an amenable number.

826861128 is an abundant number, since it is smaller than the sum of its proper divisors (1240291752).

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

826861128 is a wasteful number, since it uses less digits than its factorization.

826861128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34452556 (or 34452552 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 826861128 is about 28755.1930614281. The cubic root of 826861128 is about 938.5934630475.

It can be divided in two parts, 8268 and 61128, that added together give a palindrome (69396).

The spelling of 826861128 in words is "eight hundred twenty-six million, eight hundred sixty-one thousand, one hundred twenty-eight".