83758817 has 2 divisors, whose sum is σ = 83758818. Its totient is φ = 83758816.

The previous prime is 83758733. The next prime is 83758853. The reversal of 83758817 is 71885738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48427681 + 35331136 = 6959^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 83758817 - 2¹² = 83754721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83758867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41879408 + 41879409.

It is an arithmetic number, because the mean of its divisors is an integer number (41879409).

Almost surely, 2^83758817 is an apocalyptic number.

It is an amenable number.

83758817 is a deficient number, since it is larger than the sum of its proper divisors (1).

83758817 is an equidigital number, since it uses as much as digits as its factorization.

83758817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 47.

The square root of 83758817 is about 9151.9843203537. The cubic root of 83758817 is about 437.5323591848.

The spelling of 83758817 in words is "eighty-three million, seven hundred fifty-eight thousand, eight hundred seventeen".