2866871020 has 48 divisors (see below), whose sum is σ = 6540982560. Its totient is φ = 1049158656.

The previous prime is 2866870943. The next prime is 2866871023. The reversal of 2866871020 is 201786682.

It is not an unprimeable number, because it can be changed into a prime (2866871023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19410 + ... + 78169.

It is an arithmetic number, because the mean of its divisors is an integer number (136270470).

Almost surely, 2^2866871020 is an apocalyptic number.

2866871020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2866871020 is an abundant number, since it is smaller than the sum of its proper divisors (3674111540).

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

2866871020 is a wasteful number, since it uses less digits than its factorization.

2866871020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97714 (or 97712 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2866871020 is about 53543.1696857778. The cubic root of 2866871020 is about 1420.5920661380.

The spelling of 2866871020 in words is "two billion, eight hundred sixty-six million, eight hundred seventy-one thousand, twenty".