2875916866 has 16 divisors (see below), whose sum is σ = 4338613656. Its totient is φ = 1429733376.

The previous prime is 2875916801. The next prime is 2875916873. The reversal of 2875916866 is 6686195782.

It can be written as a sum of positive squares in 4 ways, for example, as 2859147841 + 16769025 = 53471^2 + 4095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2875916866.

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 7 ways as a sum of consecutive naturals, for example, 291730 + ... + 301426.

Almost surely, 2^2875916866 is an apocalyptic number.

2875916866 is a deficient number, since it is larger than the sum of its proper divisors (1462696790).

2875916866 is a wasteful number, since it uses less digits than its factorization.

2875916866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533.

The product of its digits is 8709120, while the sum is 58.

The square root of 2875916866 is about 53627.5756118063. The cubic root of 2875916866 is about 1422.0846300888.

It can be divided in two parts, 2875916 and 866, that added together give a palindrome (2876782).

The spelling of 2875916866 in words is "two billion, eight hundred seventy-five million, nine hundred sixteen thousand, eight hundred sixty-six".