68462887 has 2 divisors, whose sum is σ = 68462888. Its totient is φ = 68462886.

The previous prime is 68462861. The next prime is 68462897. The reversal of 68462887 is 78826486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68462887 - 2⁷ = 68462759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68462887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68462857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34231443 + 34231444.

It is an arithmetic number, because the mean of its divisors is an integer number (34231444).

Almost surely, 2^68462887 is an apocalyptic number.

68462887 is a deficient number, since it is larger than the sum of its proper divisors (1).

68462887 is an equidigital number, since it uses as much as digits as its factorization.

68462887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 49.

The square root of 68462887 is about 8274.2302965291. The cubic root of 68462887 is about 409.0895661714.

The spelling of 68462887 in words is "sixty-eight million, four hundred sixty-two thousand, eight hundred eighty-seven".