828300805 has 8 divisors (see below), whose sum is σ = 994261752. Its totient is φ = 662440128.

The previous prime is 828300793. The next prime is 828300827. The reversal of 828300805 is 508003828.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50225569 + 778075236 = 7087^2 + 27894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 828300805 - 2⁵ = 828300773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502 + ... + 41071.

It is an arithmetic number, because the mean of its divisors is an integer number (124282719).

Almost surely, 2^828300805 is an apocalyptic number.

It is an amenable number.

828300805 is a deficient number, since it is larger than the sum of its proper divisors (165960947).

828300805 is a wasteful number, since it uses less digits than its factorization.

828300805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50135.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 828300805 is about 28780.2155134391. The cubic root of 828300805 is about 939.1378865645.

The spelling of 828300805 in words is "eight hundred twenty-eight million, three hundred thousand, eight hundred five".