83508793 has 2 divisors, whose sum is σ = 83508794. Its totient is φ = 83508792.

The previous prime is 83508773. The next prime is 83508833. The reversal of 83508793 is 39780538.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 480249 = 9112^2 + 693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83508793 is a prime.

It is not a weakly prime, because it can be changed into another prime (83508773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41754396 + 41754397.

It is an arithmetic number, because the mean of its divisors is an integer number (41754397).

Almost surely, 2^83508793 is an apocalyptic number.

It is an amenable number.

83508793 is a deficient number, since it is larger than the sum of its proper divisors (1).

83508793 is an equidigital number, since it uses as much as digits as its factorization.

83508793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 83508793 is about 9138.3145601363. The cubic root of 83508793 is about 437.0965737407.

The spelling of 83508793 in words is "eighty-three million, five hundred eight thousand, seven hundred ninety-three".