2860863800 has 48 divisors (see below), whose sum is σ = 6685026000. Its totient is φ = 1138579200.

The previous prime is 2860863787. The next prime is 2860863823. The reversal of 2860863800 is 83680682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3860 + ... + 75740.

It is an arithmetic number, because the mean of its divisors is an integer number (139271375).

Almost surely, 2^2860863800 is an apocalyptic number.

2860863800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2860863800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3342513000).

2860863800 is an abundant number, since it is smaller than the sum of its proper divisors (3824162200).

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

2860863800 is a wasteful number, since it uses less digits than its factorization.

2860863800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72096 (or 72087 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2860863800 is about 53487.0432908756. The cubic root of 2860863800 is about 1419.5991396431.

The spelling of 2860863800 in words is "two billion, eight hundred sixty million, eight hundred sixty-three thousand, eight hundred".