2870681388 has 48 divisors (see below), whose sum is σ = 6789454560. Its totient is φ = 943936000.

The previous prime is 2870681327. The next prime is 2870681389. The reversal of 2870681388 is 8831860782.

It is a self number, because there is not a number n which added to its sum of digits gives 2870681388.

It is not an unprimeable number, because it can be changed into a prime (2870681389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336358 + ... + 344786.

It is an arithmetic number, because the mean of its divisors is an integer number (141446970).

Almost surely, 2^2870681388 is an apocalyptic number.

It is an amenable number.

2870681388 is an abundant number, since it is smaller than the sum of its proper divisors (3918773172).

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

2870681388 is a wasteful number, since it uses less digits than its factorization.

2870681388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818 (or 8816 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 2870681388 is about 53578.7400747722. The cubic root of 2870681388 is about 1421.2211587557.

The spelling of 2870681388 in words is "two billion, eight hundred seventy million, six hundred eighty-one thousand, three hundred eighty-eight".