344807505797 has 16 divisors (see below), whose sum is σ = 375637953600. Its totient is φ = 315255346560.

The previous prime is 344807505793. The next prime is 344807505799. The reversal of 344807505797 is 797505708443.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 344807505797 - 2² = 344807505793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344807505793) 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, 1111097 + ... + 1387137.

It is an arithmetic number, because the mean of its divisors is an integer number (23477372100).

Almost surely, 2^344807505797 is an apocalyptic number.

It is an amenable number.

344807505797 is a deficient number, since it is larger than the sum of its proper divisors (30830447803).

344807505797 is a wasteful number, since it uses less digits than its factorization.

344807505797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278356.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 344807505797 in words is "three hundred forty-four billion, eight hundred seven million, five hundred five thousand, seven hundred ninety-seven".