34345785838 has 24 divisors (see below), whose sum is σ = 63756002448. Its totient is φ = 13587342912.

The previous prime is 34345785833. The next prime is 34345785839. The reversal of 34345785838 is 83858754343.

It is a super-2 number, since 2×34345785838² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34345785833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7255831 + ... + 7260562.

It is an arithmetic number, because the mean of its divisors is an integer number (2656500102).

Almost surely, 2^34345785838 is an apocalyptic number.

34345785838 is a deficient number, since it is larger than the sum of its proper divisors (29410216610).

34345785838 is a wasteful number, since it uses less digits than its factorization.

34345785838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516428 (or 14516415 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 58.

The spelling of 34345785838 in words is "thirty-four billion, three hundred forty-five million, seven hundred eighty-five thousand, eight hundred thirty-eight".