34385747857 has 16 divisors (see below), whose sum is σ = 37093795200. Its totient is φ = 31768191360.

The previous prime is 34385747831. The next prime is 34385747899. The reversal of 34385747857 is 75874758343.

It is a cyclic number.

It is not a de Polignac number, because 34385747857 - 2²⁷ = 34251530129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34385747795 and 34385747804.

It is not an unprimeable number, because it can be changed into a prime (34385747807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2202244 + ... + 2217802.

It is an arithmetic number, because the mean of its divisors is an integer number (2318362200).

Almost surely, 2^34385747857 is an apocalyptic number.

It is an amenable number.

34385747857 is a deficient number, since it is larger than the sum of its proper divisors (2708047343).

34385747857 is a wasteful number, since it uses less digits than its factorization.

34385747857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18456.

The product of its digits is 79027200, while the sum is 61.

The spelling of 34385747857 in words is "thirty-four billion, three hundred eighty-five million, seven hundred forty-seven thousand, eight hundred fifty-seven".