6856734435707 has 32 divisors (see below), whose sum is σ = 8168749854720. Its totient is φ = 5700466316160.

The previous prime is 6856734435689. The next prime is 6856734435709. The reversal of 6856734435707 is 7075344376586.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6856734435707 - 2²⁴ = 6856717658491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6856734435709) 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, 9653657 + ... + 10339562.

It is an arithmetic number, because the mean of its divisors is an integer number (255273432960).

Almost surely, 2^{6856734435707} is an apocalyptic number.

6856734435707 is a deficient number, since it is larger than the sum of its proper divisors (1312015419013).

6856734435707 is a wasteful number, since it uses less digits than its factorization.

6856734435707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19993323.

The product of its (nonzero) digits is 355622400, while the sum is 65.

The spelling of 6856734435707 in words is "six trillion, eight hundred fifty-six billion, seven hundred thirty-four million, four hundred thirty-five thousand, seven hundred seven".