68878703 has 4 divisors (see below), whose sum is σ = 68958120. Its totient is φ = 68799288.

The previous prime is 68878697. The next prime is 68878709. The reversal of 68878703 is 30787886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30787886 = 2 ⋅15393943.

It is an interprime number because it is at equal distance from previous prime (68878697) and next prime (68878709).

It is a cyclic number.

It is not a de Polignac number, because 68878703 - 2¹² = 68874607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68878709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38393 + ... + 40146.

It is an arithmetic number, because the mean of its divisors is an integer number (17239530).

Almost surely, 2^68878703 is an apocalyptic number.

68878703 is a deficient number, since it is larger than the sum of its proper divisors (79417).

68878703 is an equidigital number, since it uses as much as digits as its factorization.

68878703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79416.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 68878703 is about 8299.3194299292. The cubic root of 68878703 is about 409.9161101417.

The spelling of 68878703 in words is "sixty-eight million, eight hundred seventy-eight thousand, seven hundred three".