68985583 has 2 divisors, whose sum is σ = 68985584. Its totient is φ = 68985582.

The previous prime is 68985559. The next prime is 68985607. The reversal of 68985583 is 38558986.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (68985559) and next prime (68985607).

It is a cyclic number.

It is not a de Polignac number, because 68985583 - 2⁵ = 68985551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68985583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68985503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34492791 + 34492792.

It is an arithmetic number, because the mean of its divisors is an integer number (34492792).

Almost surely, 2^68985583 is an apocalyptic number.

68985583 is a deficient number, since it is larger than the sum of its proper divisors (1).

68985583 is an equidigital number, since it uses as much as digits as its factorization.

68985583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 52.

The square root of 68985583 is about 8305.7560161613. The cubic root of 68985583 is about 410.1280246635.

The spelling of 68985583 in words is "sixty-eight million, nine hundred eighty-five thousand, five hundred eighty-three".