82993793 has 2 divisors, whose sum is σ = 82993794. Its totient is φ = 82993792.

The previous prime is 82993787. The next prime is 82993831. The reversal of 82993793 is 39739928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61575409 + 21418384 = 7847^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 82993793 - 2⁴ = 82993777 is a prime.

It is not a weakly prime, because it can be changed into another prime (82993723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41496896 + 41496897.

It is an arithmetic number, because the mean of its divisors is an integer number (41496897).

Almost surely, 2^82993793 is an apocalyptic number.

It is an amenable number.

82993793 is a deficient number, since it is larger than the sum of its proper divisors (1).

82993793 is an equidigital number, since it uses as much as digits as its factorization.

82993793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 82993793 is about 9110.0929193944. The cubic root of 82993793 is about 436.1961932308.

The spelling of 82993793 in words is "eighty-two million, nine hundred ninety-three thousand, seven hundred ninety-three".