83436825 has 24 divisors (see below), whose sum is σ = 138406816. Its totient is φ = 44352000.

The previous prime is 83436823. The next prime is 83436863. The reversal of 83436825 is 52863438.

It is not a de Polignac number, because 83436825 - 2¹ = 83436823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83436823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23145 + ... + 26505.

Almost surely, 2^83436825 is an apocalyptic number.

It is an amenable number.

83436825 is a deficient number, since it is larger than the sum of its proper divisors (54969991).

83436825 is a wasteful number, since it uses less digits than its factorization.

83436825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3700 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 83436825 is about 9134.3760049606. The cubic root of 83436825 is about 436.9709741642.

The spelling of 83436825 in words is "eighty-three million, four hundred thirty-six thousand, eight hundred twenty-five".