83367813 has 16 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 51718656.

The previous prime is 83367799. The next prime is 83367821. The reversal of 83367813 is 31876338.

It is not a de Polignac number, because 83367813 - 2⁴ = 83367797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83367113) 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 15 ways as a sum of consecutive naturals, for example, 4645 + ... + 13722.

It is an arithmetic number, because the mean of its divisors is an integer number (7439040).

Almost surely, 2^83367813 is an apocalyptic number.

It is an amenable number.

83367813 is a deficient number, since it is larger than the sum of its proper divisors (35656827).

83367813 is a wasteful number, since it uses less digits than its factorization.

83367813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18476.

The product of its digits is 72576, while the sum is 39.

The square root of 83367813 is about 9130.5976255665. The cubic root of 83367813 is about 436.8504655881.

The spelling of 83367813 in words is "eighty-three million, three hundred sixty-seven thousand, eight hundred thirteen".