2876840656 has 10 divisors (see below), whose sum is σ = 5573878802. Its totient is φ = 1438420320.

The previous prime is 2876840651. The next prime is 2876840683. The reversal of 2876840656 is 6560486782.

2876840656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2800103056 + 76737600 = 52916^2 + 8760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2876840651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89901255 + ... + 89901286.

Almost surely, 2^2876840656 is an apocalyptic number.

It is an amenable number.

2876840656 is a deficient number, since it is larger than the sum of its proper divisors (2697038146).

2876840656 is a wasteful number, since it uses less digits than its factorization.

2876840656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179802549 (or 179802543 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 2876840656 is about 53636.1879331483. The cubic root of 2876840656 is about 1422.2368791494.

The spelling of 2876840656 in words is "two billion, eight hundred seventy-six million, eight hundred forty thousand, six hundred fifty-six".