1068890108887 has 16 divisors (see below), whose sum is σ = 1097115402240. Its totient is φ = 1040820631200.

The previous prime is 1068890108879. The next prime is 1068890108911. The reversal of 1068890108887 is 7888010988601.

It is a cyclic number.

It is not a de Polignac number, because 1068890108887 - 2³ = 1068890108879 is a prime.

It is a super-2 number, since 2×1068890108887² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068890108807) 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, 35295562 + ... + 35325832.

It is an arithmetic number, because the mean of its divisors is an integer number (68569712640).

Almost surely, 2^{1068890108887} is an apocalyptic number.

1068890108887 is a deficient number, since it is larger than the sum of its proper divisors (28225293353).

1068890108887 is a wasteful number, since it uses less digits than its factorization.

1068890108887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32814.

The product of its (nonzero) digits is 12386304, while the sum is 64.

The spelling of 1068890108887 in words is "one trillion, sixty-eight billion, eight hundred ninety million, one hundred eight thousand, eight hundred eighty-seven".