828575134553 has 4 divisors (see below), whose sum is σ = 829541967540. Its totient is φ = 827608301568.

The previous prime is 828575134523. The next prime is 828575134567. The reversal of 828575134553 is 355431575828.

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

It can be written as a sum of positive squares in 2 ways, for example, as 775310187289 + 53264947264 = 880517^2 + 230792^2 .

It is a cyclic number.

It is not a de Polignac number, because 828575134553 - 2⁶ = 828575134489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828575134523) 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, 483415208 + ... + 483416921.

It is an arithmetic number, because the mean of its divisors is an integer number (207385491885).

Almost surely, 2^828575134553 is an apocalyptic number.

It is an amenable number.

828575134553 is a deficient number, since it is larger than the sum of its proper divisors (966832987).

828575134553 is an equidigital number, since it uses as much as digits as its factorization.

828575134553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966832986.

The product of its digits is 20160000, while the sum is 56.

The spelling of 828575134553 in words is "eight hundred twenty-eight billion, five hundred seventy-five million, one hundred thirty-four thousand, five hundred fifty-three".