825738843 has 8 divisors (see below), whose sum is σ = 1116067408. Its totient is φ = 542951424.

The previous prime is 825738839. The next prime is 825738869. The reversal of 825738843 is 348837528.

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

It is not a de Polignac number, because 825738843 - 2² = 825738839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825738792 and 825738801.

It is not an unprimeable number, because it can be changed into a prime (825738143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1885030 + ... + 1885467.

It is an arithmetic number, because the mean of its divisors is an integer number (139508426).

Almost surely, 2^825738843 is an apocalyptic number.

825738843 is a deficient number, since it is larger than the sum of its proper divisors (290328565).

825738843 is a wasteful number, since it uses less digits than its factorization.

825738843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770573.

The product of its digits is 1290240, while the sum is 48.

The square root of 825738843 is about 28735.6719601265. The cubic root of 825738843 is about 938.1686249611.

The spelling of 825738843 in words is "eight hundred twenty-five million, seven hundred thirty-eight thousand, eight hundred forty-three".