6891770612 has 12 divisors (see below), whose sum is σ = 12070906176. Its totient is φ = 3442940280.

The previous prime is 6891770581. The next prime is 6891770617. The reversal of 6891770612 is 2160771986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6891770617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730988 + ... + 740355.

It is an arithmetic number, because the mean of its divisors is an integer number (1005908848).

Almost surely, 2^6891770612 is an apocalyptic number.

It is an amenable number.

6891770612 is a deficient number, since it is larger than the sum of its proper divisors (5179135564).

6891770612 is a wasteful number, since it uses less digits than its factorization.

6891770612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472518 (or 1472516 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 6891770612 is about 83016.6887559363. The cubic root of 6891770612 is about 1903.0211043508.

The spelling of 6891770612 in words is "six billion, eight hundred ninety-one million, seven hundred seventy thousand, six hundred twelve".