834343351857 has 6 divisors (see below), whose sum is σ = 1205162619362. Its totient is φ = 556228901232.

The previous prime is 834343351843. The next prime is 834343351879. The reversal of 834343351857 is 758153343438.

834343351857 is a `hidden beast` number, since 8 + 3 + 43 + 4 + 33 + 518 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 762270432561 + 72072919296 = 873081^2 + 268464^2 .

It is not a de Polignac number, because 834343351857 - 2⁴ = 834343351841 is a prime.

It is a super-2 number, since 2×834343351857² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834343351357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46352408428 + ... + 46352408445.

Almost surely, 2^834343351857 is an apocalyptic number.

It is an amenable number.

834343351857 is a deficient number, since it is larger than the sum of its proper divisors (370819267505).

834343351857 is a wasteful number, since it uses less digits than its factorization.

834343351857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92704816879 (or 92704816876 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 834343351857 in words is "eight hundred thirty-four billion, three hundred forty-three million, three hundred fifty-one thousand, eight hundred fifty-seven".