343887313266 has 120 divisors (see below), whose sum is σ = 898036492716. Its totient is φ = 98070678720.

The previous prime is 343887313243. The next prime is 343887313277. The reversal of 343887313266 is 662313788343.

343887313266 is a `hidden beast` number, since 3 + 4 + 388 + 73 + 132 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 342024959241 + 1862354025 = 584829^2 + 43155^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4254420 + ... + 4334496.

Almost surely, 2^343887313266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343887313266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449018246358).

343887313266 is an abundant number, since it is smaller than the sum of its proper divisors (554149179450).

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

343887313266 is a wasteful number, since it uses less digits than its factorization.

343887313266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80646 (or 80630 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 343887313266 in words is "three hundred forty-three billion, eight hundred eighty-seven million, three hundred thirteen thousand, two hundred sixty-six".