68875819 has 2 divisors, whose sum is σ = 68875820. Its totient is φ = 68875818.

The previous prime is 68875811. The next prime is 68875837. The reversal of 68875819 is 91857886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68875819 - 2³ = 68875811 is a prime.

It is a super-2 number, since 2×68875819² = 9487756885841522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68875811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437909 + 34437910.

It is an arithmetic number, because the mean of its divisors is an integer number (34437910).

Almost surely, 2^68875819 is an apocalyptic number.

68875819 is a deficient number, since it is larger than the sum of its proper divisors (1).

68875819 is an equidigital number, since it uses as much as digits as its factorization.

68875819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 52.

The square root of 68875819 is about 8299.1456789238. The cubic root of 68875819 is about 409.9103889027.

The spelling of 68875819 in words is "sixty-eight million, eight hundred seventy-five thousand, eight hundred nineteen".