1063879688 has 8 divisors (see below), whose sum is σ = 1994774430. Its totient is φ = 531939840.

The previous prime is 1063879657. The next prime is 1063879693. The reversal of 1063879688 is 8869783601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1061326084 + 2553604 = 32578^2 + 1598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1063879688² = 2263679981077954688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66492473 + ... + 66492488.

Almost surely, 2^1063879688 is an apocalyptic number.

It is an amenable number.

1063879688 is a deficient number, since it is larger than the sum of its proper divisors (930894742).

1063879688 is a wasteful number, since it uses less digits than its factorization.

1063879688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132984967 (or 132984963 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 1063879688 is about 32617.1686079586. The cubic root of 1063879688 is about 1020.8552636992.

The spelling of 1063879688 in words is "one billion, sixty-three million, eight hundred seventy-nine thousand, six hundred eighty-eight".