344877885564 has 12 divisors (see below), whose sum is σ = 804715066344. Its totient is φ = 114959295184.

The previous prime is 344877885529. The next prime is 344877885593. The reversal of 344877885564 is 465588778443.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14369911887 + ... + 14369911910.

It is an arithmetic number, because the mean of its divisors is an integer number (67059588862).

Almost surely, 2^344877885564 is an apocalyptic number.

It is an amenable number.

344877885564 is an abundant number, since it is smaller than the sum of its proper divisors (459837180780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344877885564 is a wasteful number, since it uses less digits than its factorization.

344877885564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739823804 (or 28739823802 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 69.

The spelling of 344877885564 in words is "three hundred forty-four billion, eight hundred seventy-seven million, eight hundred eighty-five thousand, five hundred sixty-four".