3568987081 has 9 divisors (see below), whose sum is σ = 3923658669. Its totient is φ = 3243936300.

The previous prime is 3568987069. The next prime is 3568987091. The reversal of 3568987081 is 1807898653.

The square root of 3568987081 is 59741.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3568987081 - 2²¹ = 3566889929 is a prime.

It is a super-2 number, since 2×3568987081² = 25475337568689801122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3568987091) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 654436 + ... + 659866.

Almost surely, 2^3568987081 is an apocalyptic number.

3568987081 is the 59741-st square number.

3568987081 is the 29871-st centered octagonal number.

It is an amenable number.

3568987081 is a deficient number, since it is larger than the sum of its proper divisors (354671588).

3568987081 is an frugal number, since it uses more digits than its factorization.

3568987081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The cubic root of 3568987081 is about 1528.2051490371.

The spelling of 3568987081 in words is "three billion, five hundred sixty-eight million, nine hundred eighty-seven thousand, eighty-one".