1063975880 has 64 divisors (see below), whose sum is σ = 2618585280. Its totient is φ = 385862400.

The previous prime is 1063975877. The next prime is 1063975903. The reversal of 1063975880 is 885793601.

It is a happy number.

It is a super-2 number, since 2×1063975880² = 2264089346443548800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171635 + ... + 177725.

It is an arithmetic number, because the mean of its divisors is an integer number (40915395).

Almost surely, 2^1063975880 is an apocalyptic number.

1063975880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1063975880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309292640).

1063975880 is an abundant number, since it is smaller than the sum of its proper divisors (1554609400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1063975880 is a wasteful number, since it uses less digits than its factorization.

1063975880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1063975880 is about 32618.6431354831. The cubic root of 1063975880 is about 1020.8860300697.

The spelling of 1063975880 in words is "one billion, sixty-three million, nine hundred seventy-five thousand, eight hundred eighty".