825983852794 has 4 divisors (see below), whose sum is σ = 1238975779194. Its totient is φ = 412991926396.

The previous prime is 825983852779. The next prime is 825983852801. The reversal of 825983852794 is 497258389528.

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

It can be written as a sum of positive squares in only one way, i.e., 667072395025 + 158911457769 = 816745^2 + 398637^2 .

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, 206495963197 + ... + 206495963200.

Almost surely, 2^825983852794 is an apocalyptic number.

825983852794 is a deficient number, since it is larger than the sum of its proper divisors (412991926400).

825983852794 is a wasteful number, since it uses less digits than its factorization.

825983852794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412991926399.

The product of its digits is 348364800, while the sum is 70.

The spelling of 825983852794 in words is "eight hundred twenty-five billion, nine hundred eighty-three million, eight hundred fifty-two thousand, seven hundred ninety-four".