68850559 has 2 divisors, whose sum is σ = 68850560. Its totient is φ = 68850558.

The previous prime is 68850539. The next prime is 68850577. The reversal of 68850559 is 95505886.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68850559 - 2²⁵ = 35296127 is a prime.

It is a super-2 number, since 2×68850559² = 9480798949224962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68850539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34425279 + 34425280.

It is an arithmetic number, because the mean of its divisors is an integer number (34425280).

Almost surely, 2^68850559 is an apocalyptic number.

68850559 is a deficient number, since it is larger than the sum of its proper divisors (1).

68850559 is an equidigital number, since it uses as much as digits as its factorization.

68850559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 68850559 is about 8297.6236959746. The cubic root of 68850559 is about 409.8602716403.

The spelling of 68850559 in words is "sixty-eight million, eight hundred fifty thousand, five hundred fifty-nine".