83040889 has 2 divisors, whose sum is σ = 83040890. Its totient is φ = 83040888.

The previous prime is 83040863. The next prime is 83040901. The reversal of 83040889 is 98804038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60715264 + 22325625 = 7792^2 + 4725^2 .

It is a cyclic number.

It is not a de Polignac number, because 83040889 - 2⁵ = 83040857 is a prime.

It is not a weakly prime, because it can be changed into another prime (83040689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41520444 + 41520445.

It is an arithmetic number, because the mean of its divisors is an integer number (41520445).

Almost surely, 2^83040889 is an apocalyptic number.

It is an amenable number.

83040889 is a deficient number, since it is larger than the sum of its proper divisors (1).

83040889 is an equidigital number, since it uses as much as digits as its factorization.

83040889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 83040889 is about 9112.6773782462. The cubic root of 83040889 is about 436.2786861923.

The spelling of 83040889 in words is "eighty-three million, forty thousand, eight hundred eighty-nine".