83253784 has 8 divisors (see below), whose sum is σ = 156100860. Its totient is φ = 41626888.

The previous prime is 83253773. The next prime is 83253787. The reversal of 83253784 is 48735238.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83253787) 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 as a sum of consecutive naturals, namely, 5203354 + ... + 5203369.

Almost surely, 2^83253784 is an apocalyptic number.

It is an amenable number.

83253784 is a deficient number, since it is larger than the sum of its proper divisors (72847076).

83253784 is a wasteful number, since it uses less digits than its factorization.

83253784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406729 (or 10406725 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 83253784 is about 9124.3511550137. The cubic root of 83253784 is about 436.6512026327.

The spelling of 83253784 in words is "eighty-three million, two hundred fifty-three thousand, seven hundred eighty-four".