3807117872866 has 32 divisors (see below), whose sum is σ = 7240479528960. Its totient is φ = 1458152120400.

The previous prime is 3807117872819. The next prime is 3807117872881. The reversal of 3807117872866 is 6682787117083.

It is a junction number, because it is equal to n+sod(n) for n = 3807117872798 and 3807117872807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209495530 + ... + 209513701.

It is an arithmetic number, because the mean of its divisors is an integer number (226264985280).

Almost surely, 2^{3807117872866} is an apocalyptic number.

3807117872866 is a deficient number, since it is larger than the sum of its proper divisors (3433361656094).

3807117872866 is a wasteful number, since it uses less digits than its factorization.

3807117872866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419009310.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 3807117872866 in words is "three trillion, eight hundred seven billion, one hundred seventeen million, eight hundred seventy-two thousand, eight hundred sixty-six".