2867808986 has 12 divisors (see below), whose sum is σ = 5004034218. Its totient is φ = 1229060952.

The previous prime is 2867808967. The next prime is 2867808989. The reversal of 2867808986 is 6898087682.

It can be written as a sum of positive squares in only one way, i.e., 1904886025 + 962922961 = 43645^2 + 31031^2 .

It is not an unprimeable number, because it can be changed into a prime (2867808989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14631581 + ... + 14631776.

Almost surely, 2^2867808986 is an apocalyptic number.

2867808986 is a deficient number, since it is larger than the sum of its proper divisors (2136225232).

2867808986 is a wasteful number, since it uses less digits than its factorization.

2867808986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29263373 (or 29263366 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The square root of 2867808986 is about 53551.9279391508. The cubic root of 2867808986 is about 1420.7469762309.

The spelling of 2867808986 in words is "two billion, eight hundred sixty-seven million, eight hundred eight thousand, nine hundred eighty-six".