344857357085 has 16 divisors (see below), whose sum is σ = 440503790400. Its totient is φ = 258428877696.

The previous prime is 344857357051. The next prime is 344857357093. The reversal of 344857357085 is 580753758443.

It is a cyclic number.

It is not a de Polignac number, because 344857357085 - 2⁶ = 344857357021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20385239 + ... + 20402148.

It is an arithmetic number, because the mean of its divisors is an integer number (27531486900).

Almost surely, 2^344857357085 is an apocalyptic number.

It is an amenable number.

344857357085 is a deficient number, since it is larger than the sum of its proper divisors (95646433315).

344857357085 is a wasteful number, since it uses less digits than its factorization.

344857357085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40787500.

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 344857357085 in words is "three hundred forty-four billion, eight hundred fifty-seven million, three hundred fifty-seven thousand, eighty-five".