6710921287 has 32 divisors (see below), whose sum is σ = 8091183744. Its totient is φ = 5445273600.

The previous prime is 6710921279. The next prime is 6710921297. The reversal of 6710921287 is 7821290176.

It is a cyclic number.

It is not a de Polignac number, because 6710921287 - 2³ = 6710921279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6710921297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5531893 + ... + 5533105.

It is an arithmetic number, because the mean of its divisors is an integer number (252849492).

Almost surely, 2^6710921287 is an apocalyptic number.

6710921287 is a deficient number, since it is larger than the sum of its proper divisors (1380262457).

6710921287 is a wasteful number, since it uses less digits than its factorization.

6710921287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 6710921287 is about 81920.2129330729. The cubic root of 6710921287 is about 1886.2273958531.

The spelling of 6710921287 in words is "six billion, seven hundred ten million, nine hundred twenty-one thousand, two hundred eighty-seven".