2886861020 has 24 divisors (see below), whose sum is σ = 6088891200. Its totient is φ = 1149700032.

The previous prime is 2886860987. The next prime is 2886861067. The reversal of 2886861020 is 201686882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310580 + ... + 319739.

It is an arithmetic number, because the mean of its divisors is an integer number (253703800).

Almost surely, 2^2886861020 is an apocalyptic number.

2886861020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2886861020 is an abundant number, since it is smaller than the sum of its proper divisors (3202030180).

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

2886861020 is a wasteful number, since it uses less digits than its factorization.

2886861020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630557 (or 630555 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 2886861020 is about 53729.5172135392. The cubic root of 2886861020 is about 1423.8862367298.

The spelling of 2886861020 in words is "two billion, eight hundred eighty-six million, eight hundred sixty-one thousand, twenty".