6700086861 has 16 divisors (see below), whose sum is σ = 9714047616. Its totient is φ = 4083097536.

The previous prime is 6700086857. The next prime is 6700086881. The reversal of 6700086861 is 1686800076.

It is not a de Polignac number, because 6700086861 - 2² = 6700086857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6700086881) 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 15 ways as a sum of consecutive naturals, for example, 829950 + ... + 837983.

It is an arithmetic number, because the mean of its divisors is an integer number (607127976).

Almost surely, 2^6700086861 is an apocalyptic number.

It is an amenable number.

6700086861 is a deficient number, since it is larger than the sum of its proper divisors (3013960755).

6700086861 is a wasteful number, since it uses less digits than its factorization.

6700086861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668052.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 6700086861 is about 81854.0583050101. The cubic root of 6700086861 is about 1885.2117777854.

The spelling of 6700086861 in words is "six billion, seven hundred million, eighty-six thousand, eight hundred sixty-one".