82593689 has 2 divisors, whose sum is σ = 82593690. Its totient is φ = 82593688.

The previous prime is 82593683. The next prime is 82593697. The reversal of 82593689 is 98639528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 12369289 = 8380^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 82593689 - 2²⁴ = 65816473 is a prime.

It is not a weakly prime, because it can be changed into another prime (82593683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41296844 + 41296845.

It is an arithmetic number, because the mean of its divisors is an integer number (41296845).

Almost surely, 2^82593689 is an apocalyptic number.

It is an amenable number.

82593689 is a deficient number, since it is larger than the sum of its proper divisors (1).

82593689 is an equidigital number, since it uses as much as digits as its factorization.

82593689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 82593689 is about 9088.1070086130. The cubic root of 82593689 is about 435.4941124189.

The spelling of 82593689 in words is "eighty-two million, five hundred ninety-three thousand, six hundred eighty-nine".