828535831 has 32 divisors (see below), whose sum is σ = 942036480. Its totient is φ = 724838400.

The previous prime is 828535823. The next prime is 828535861. The reversal of 828535831 is 138535828.

It is a cyclic number.

It is not a de Polignac number, because 828535831 - 2³ = 828535823 is a prime.

It is a super-2 number, since 2×828535831² = 1372943246501721122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828535801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2346951 + ... + 2347303.

It is an arithmetic number, because the mean of its divisors is an integer number (29438640).

Almost surely, 2^828535831 is an apocalyptic number.

828535831 is a deficient number, since it is larger than the sum of its proper divisors (113500649).

828535831 is a wasteful number, since it uses less digits than its factorization.

828535831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 230400, while the sum is 43.

The square root of 828535831 is about 28784.2983412832. The cubic root of 828535831 is about 939.2267033110.

The spelling of 828535831 in words is "eight hundred twenty-eight million, five hundred thirty-five thousand, eight hundred thirty-one".