68562488287 has 2 divisors, whose sum is σ = 68562488288. Its totient is φ = 68562488286.

The previous prime is 68562488249. The next prime is 68562488297. The reversal of 68562488287 is 78288426586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68562488287 - 2¹⁵ = 68562455519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68562488207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34281244143 + 34281244144.

It is an arithmetic number, because the mean of its divisors is an integer number (34281244144).

Almost surely, 2^68562488287 is an apocalyptic number.

68562488287 is a deficient number, since it is larger than the sum of its proper divisors (1).

68562488287 is an equidigital number, since it uses as much as digits as its factorization.

68562488287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82575360, while the sum is 64.

The spelling of 68562488287 in words is "sixty-eight billion, five hundred sixty-two million, four hundred eighty-eight thousand, two hundred eighty-seven".