2861887116 has 48 divisors (see below), whose sum is σ = 7356964608. Its totient is φ = 858648000.

The previous prime is 2861887073. The next prime is 2861887121. The reversal of 2861887116 is 6117881682.

It is a happy number.

2861887116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 94000 + ... + 120663.

It is an arithmetic number, because the mean of its divisors is an integer number (153270096).

Almost surely, 2^2861887116 is an apocalyptic number.

It is an amenable number.

2861887116 is an abundant number, since it is smaller than the sum of its proper divisors (4495077492).

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

2861887116 is a wasteful number, since it uses less digits than its factorization.

2861887116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214782 (or 214780 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 2861887116 is about 53496.6084532468. The cubic root of 2861887116 is about 1419.7683805253.

The spelling of 2861887116 in words is "two billion, eight hundred sixty-one million, eight hundred eighty-seven thousand, one hundred sixteen".