1068904450887 has 16 divisors (see below), whose sum is σ = 1754099612160. Its totient is φ = 563817732192.

The previous prime is 1068904450883. The next prime is 1068904450897. The reversal of 1068904450887 is 7880544098601.

It is not a de Polignac number, because 1068904450887 - 2² = 1068904450883 is a prime.

It is a super-2 number, since 2×1068904450887² (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 1068904450887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068904450883) 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, 1957700187 + ... + 1957700732.

It is an arithmetic number, because the mean of its divisors is an integer number (109631225760).

Almost surely, 2^{1068904450887} is an apocalyptic number.

1068904450887 is a deficient number, since it is larger than the sum of its proper divisors (685195161273).

1068904450887 is a wasteful number, since it uses less digits than its factorization.

1068904450887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915400942.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 1068904450887 in words is "one trillion, sixty-eight billion, nine hundred four million, four hundred fifty thousand, eight hundred eighty-seven".