828801008774 has 4 divisors (see below), whose sum is σ = 1243201513164. Its totient is φ = 414400504386.

The previous prime is 828801008753. The next prime is 828801008807. The reversal of 828801008774 is 477800108828.

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

It is a super-2 number, since 2×828801008774² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207200252192 + ... + 207200252195.

It is an arithmetic number, because the mean of its divisors is an integer number (310800378291).

Almost surely, 2^828801008774 is an apocalyptic number.

828801008774 is a deficient number, since it is larger than the sum of its proper divisors (414400504390).

828801008774 is a wasteful number, since it uses less digits than its factorization.

828801008774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414400504389.

The product of its (nonzero) digits is 1605632, while the sum is 53.

The spelling of 828801008774 in words is "eight hundred twenty-eight billion, eight hundred one million, eight thousand, seven hundred seventy-four".