83306893 has 2 divisors, whose sum is σ = 83306894. Its totient is φ = 83306892.

The previous prime is 83306863. The next prime is 83306903. The reversal of 83306893 is 39860338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82410084 + 896809 = 9078^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 83306893 - 2⁹ = 83306381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83306863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41653446 + 41653447.

It is an arithmetic number, because the mean of its divisors is an integer number (41653447).

Almost surely, 2^83306893 is an apocalyptic number.

It is an amenable number.

83306893 is a deficient number, since it is larger than the sum of its proper divisors (1).

83306893 is an equidigital number, since it uses as much as digits as its factorization.

83306893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 83306893 is about 9127.2609801627. The cubic root of 83306893 is about 436.7440319642.

The spelling of 83306893 in words is "eighty-three million, three hundred six thousand, eight hundred ninety-three".