83599973 has 2 divisors, whose sum is σ = 83599974. Its totient is φ = 83599972.

The previous prime is 83599961. The next prime is 83600017. The reversal of 83599973 is 37999538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82482724 + 1117249 = 9082^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 83599973 - 2⁸ = 83599717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83599913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41799986 + 41799987.

It is an arithmetic number, because the mean of its divisors is an integer number (41799987).

Almost surely, 2^83599973 is an apocalyptic number.

It is an amenable number.

83599973 is a deficient number, since it is larger than the sum of its proper divisors (1).

83599973 is an equidigital number, since it uses as much as digits as its factorization.

83599973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 83599973 is about 9143.3020840394. The cubic root of 83599973 is about 437.2555987878.

The spelling of 83599973 in words is "eighty-three million, five hundred ninety-nine thousand, nine hundred seventy-three".