68983487 has 2 divisors, whose sum is σ = 68983488. Its totient is φ = 68983486.

The previous prime is 68983483. The next prime is 68983493. The reversal of 68983487 is 78438986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68983487 - 2² = 68983483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68983483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491743 + 34491744.

It is an arithmetic number, because the mean of its divisors is an integer number (34491744).

Almost surely, 2^68983487 is an apocalyptic number.

68983487 is a deficient number, since it is larger than the sum of its proper divisors (1).

68983487 is an equidigital number, since it uses as much as digits as its factorization.

68983487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The square root of 68983487 is about 8305.6298376463. The cubic root of 68983487 is about 410.1238709597.

The spelling of 68983487 in words is "sixty-eight million, nine hundred eighty-three thousand, four hundred eighty-seven".