828577031 has 4 divisors (see below), whose sum is σ = 828710064. Its totient is φ = 828444000.

The previous prime is 828576997. The next prime is 828577051. The reversal of 828577031 is 130775828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828577031 is a prime.

It is a super-2 number, since 2×828577031² = 1373079792601549922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 828577031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828577051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56690 + ... + 69791.

It is an arithmetic number, because the mean of its divisors is an integer number (207177516).

Almost surely, 2^828577031 is an apocalyptic number.

828577031 is a deficient number, since it is larger than the sum of its proper divisors (133033).

828577031 is a wasteful number, since it uses less digits than its factorization.

828577031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133032.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 828577031 is about 28785.0140003440. The cubic root of 828577031 is about 939.2422711346.

The spelling of 828577031 in words is "eight hundred twenty-eight million, five hundred seventy-seven thousand, thirty-one".