7873737866 has 16 divisors (see below), whose sum is σ = 11845679328. Its totient is φ = 3925194000.

The previous prime is 7873737847. The next prime is 7873737889. The reversal of 7873737866 is 6687373787.

It is a junction number, because it is equal to n+sod(n) for n = 7873737799 and 7873737808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274501 + ... + 1280663.

It is an arithmetic number, because the mean of its divisors is an integer number (740354958).

Almost surely, 2^7873737866 is an apocalyptic number.

7873737866 is a deficient number, since it is larger than the sum of its proper divisors (3971941462).

7873737866 is a wasteful number, since it uses less digits than its factorization.

7873737866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its digits is 49787136, while the sum is 62.

The square root of 7873737866 is about 88734.0851420693. The cubic root of 7873737866 is about 1989.4223103670.

The spelling of 7873737866 in words is "seven billion, eight hundred seventy-three million, seven hundred thirty-seven thousand, eight hundred sixty-six".