1063975881 has 8 divisors (see below), whose sum is σ = 1423477440. Its totient is φ = 706895792.

The previous prime is 1063975877. The next prime is 1063975903. The reversal of 1063975881 is 1885793601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1063975881 - 2² = 1063975877 is a prime.

It is a super-2 number, since 2×1063975881² = 2264089350699452322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063975881.

It is not an unprimeable number, because it can be changed into a prime (1063975841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604341 + ... + 606098.

It is an arithmetic number, because the mean of its divisors is an integer number (177934680).

Almost surely, 2^1063975881 is an apocalyptic number.

It is an amenable number.

1063975881 is a deficient number, since it is larger than the sum of its proper divisors (359501559).

1063975881 is a wasteful number, since it uses less digits than its factorization.

1063975881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210735.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1063975881 is about 32618.6431508118. The cubic root of 1063975881 is about 1020.8860303896.

The spelling of 1063975881 in words is "one billion, sixty-three million, nine hundred seventy-five thousand, eight hundred eighty-one".