68826887 has 2 divisors, whose sum is σ = 68826888. Its totient is φ = 68826886.

The previous prime is 68826883. The next prime is 68826959. The reversal of 68826887 is 78862886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68826887 - 2² = 68826883 is a prime.

It is a super-2 number, since 2×68826887² = 9474280748221538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68826883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34413443 + 34413444.

It is an arithmetic number, because the mean of its divisors is an integer number (34413444).

Almost surely, 2^68826887 is an apocalyptic number.

68826887 is a deficient number, since it is larger than the sum of its proper divisors (1).

68826887 is an equidigital number, since it uses as much as digits as its factorization.

68826887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 53.

The square root of 68826887 is about 8296.1971408592. The cubic root of 68826887 is about 409.8132939317.

The spelling of 68826887 in words is "sixty-eight million, eight hundred twenty-six thousand, eight hundred eighty-seven".