2887868481 has 8 divisors (see below), whose sum is σ = 3850917504. Its totient is φ = 1925032560.

The previous prime is 2887868471. The next prime is 2887868573. The reversal of 2887868481 is 1848687882.

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

It is a de Polignac number, because none of the positive numbers 2^k-2887868481 is a prime.

It is a super-2 number, since 2×2887868481² = 16679568727106494722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2887868441) 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, 18390 + ... + 78191.

It is an arithmetic number, because the mean of its divisors is an integer number (481364688).

Almost surely, 2^2887868481 is an apocalyptic number.

It is an amenable number.

2887868481 is a deficient number, since it is larger than the sum of its proper divisors (963049023).

2887868481 is an equidigital number, since it uses as much as digits as its factorization.

2887868481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106551.

The product of its digits is 11010048, while the sum is 60.

The square root of 2887868481 is about 53738.8916986571. The cubic root of 2887868481 is about 1424.0518541024.

The spelling of 2887868481 in words is "two billion, eight hundred eighty-seven million, eight hundred sixty-eight thousand, four hundred eighty-one".