68878035 has 12 divisors (see below), whose sum is σ = 119388672. Its totient is φ = 36734928.

The previous prime is 68878027. The next prime is 68878037. The reversal of 68878035 is 53087886.

It is not a de Polignac number, because 68878035 - 2³ = 68878027 is a prime.

It is a super-2 number, since 2×68878035² = 9488367410922450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1530623 = 68878035 / (6 + 8 + 8 + 7 + 8 + 0 + 3 + 5).

It is not an unprimeable number, because it can be changed into a prime (68878037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765267 + ... + 765356.

It is an arithmetic number, because the mean of its divisors is an integer number (9949056).

Almost surely, 2^68878035 is an apocalyptic number.

68878035 is a deficient number, since it is larger than the sum of its proper divisors (50510637).

68878035 is a wasteful number, since it uses less digits than its factorization.

68878035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530634 (or 1530631 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 68878035 is about 8299.2791855679. The cubic root of 68878035 is about 409.9147849868.

The spelling of 68878035 in words is "sixty-eight million, eight hundred seventy-eight thousand, thirty-five".