6685070705807 has 8 divisors (see below), whose sum is σ = 7206751919136. Its totient is φ = 6164453064672.

The previous prime is 6685070705801. The next prime is 6685070705821. The reversal of 6685070705807 is 7085070705866.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6685070705807 - 2²⁴ = 6685053928591 is a prime.

It is a super-2 number, since 2×6685070705807² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685070705801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265879988 + ... + 265905129.

It is an arithmetic number, because the mean of its divisors is an integer number (900843989892).

Almost surely, 2^{6685070705807} is an apocalyptic number.

6685070705807 is a deficient number, since it is larger than the sum of its proper divisors (521681213329).

6685070705807 is a wasteful number, since it uses less digits than its factorization.

6685070705807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531786097.

The product of its (nonzero) digits is 19756800, while the sum is 59.

Adding to 6685070705807 its sum of digits (59), we get a palindrome (6685070705866).

The spelling of 6685070705807 in words is "six trillion, six hundred eighty-five billion, seventy million, seven hundred five thousand, eight hundred seven".