828203474431 has 32 divisors (see below), whose sum is σ = 900775687680. Its totient is φ = 758898201600.

The previous prime is 828203474401. The next prime is 828203474459. The reversal of 828203474431 is 134474302828.

It is a cyclic number.

It is not a de Polignac number, because 828203474431 - 2⁷ = 828203474303 is a prime.

It is a super-2 number, since 2×828203474431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828203474401) 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, 121952646 + ... + 121959436.

It is an arithmetic number, because the mean of its divisors is an integer number (28149240240).

Almost surely, 2^828203474431 is an apocalyptic number.

828203474431 is a deficient number, since it is larger than the sum of its proper divisors (72572213249).

828203474431 is a wasteful number, since it uses less digits than its factorization.

828203474431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 828203474431 in words is "eight hundred twenty-eight billion, two hundred three million, four hundred seventy-four thousand, four hundred thirty-one".