2887968690 has 48 divisors (see below), whose sum is σ = 7519134168. Its totient is φ = 769056768.

The previous prime is 2887968673. The next prime is 2887968731. The reversal of 2887968690 is 968697882.

2887968690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2319289281 + 568679409 = 48159^2 + 23847^2 .

It is a super-2 number, since 2×2887968690² = 16680726308840632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44082 + ... + 87858.

Almost surely, 2^2887968690 is an apocalyptic number.

2887968690 is an abundant number, since it is smaller than the sum of its proper divisors (4631165478).

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

2887968690 is a wasteful number, since it uses less digits than its factorization.

2887968690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44523 (or 44520 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 2887968690 is about 53739.8240600023. The cubic root of 2887968690 is about 1424.0683254390.

The spelling of 2887968690 in words is "two billion, eight hundred eighty-seven million, nine hundred sixty-eight thousand, six hundred ninety".