83195089 has 2 divisors, whose sum is σ = 83195090. Its totient is φ = 83195088.

The previous prime is 83195051. The next prime is 83195131. The reversal of 83195089 is 98059138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46471489 + 36723600 = 6817^2 + 6060^2 .

It is a cyclic number.

It is not a de Polignac number, because 83195089 - 2²¹ = 81097937 is a prime.

It is not a weakly prime, because it can be changed into another prime (83195989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41597544 + 41597545.

It is an arithmetic number, because the mean of its divisors is an integer number (41597545).

Almost surely, 2^83195089 is an apocalyptic number.

It is an amenable number.

83195089 is a deficient number, since it is larger than the sum of its proper divisors (1).

83195089 is an equidigital number, since it uses as much as digits as its factorization.

83195089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 83195089 is about 9121.1341948247. The cubic root of 83195089 is about 436.5485635836.

The spelling of 83195089 in words is "eighty-three million, one hundred ninety-five thousand, eighty-nine".