1068878705867 has 16 divisors (see below), whose sum is σ = 1285915733760. Its totient is φ = 867930191712.

The previous prime is 1068878705857. The next prime is 1068878705903. The reversal of 1068878705867 is 7685078788601.

It is a cyclic number.

It is not a de Polignac number, because 1068878705867 - 2⁸ = 1068878705611 is a prime.

It is a super-2 number, since 2×1068878705867² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068878705867.

It is not an unprimeable number, because it can be changed into a prime (1068878705837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973208 + ... + 4233690.

It is an arithmetic number, because the mean of its divisors is an integer number (80369733360).

Almost surely, 2^{1068878705867} is an apocalyptic number.

1068878705867 is a deficient number, since it is larger than the sum of its proper divisors (217037027893).

1068878705867 is a wasteful number, since it uses less digits than its factorization.

1068878705867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291362.

The product of its (nonzero) digits is 252887040, while the sum is 71.

The spelling of 1068878705867 in words is "one trillion, sixty-eight billion, eight hundred seventy-eight million, seven hundred five thousand, eight hundred sixty-seven".