343858543785 has 48 divisors (see below), whose sum is σ = 616806262800. Its totient is φ = 177000671232.

The previous prime is 343858543783. The next prime is 343858543799. The reversal of 343858543785 is 587345858343.

343858543785 is a `hidden beast` number, since 3 + 4 + 3 + 8 + 5 + 8 + 543 + 7 + 85 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 72113194521 + 271745349264 = 268539^2 + 521292^2 .

It is not a de Polignac number, because 343858543785 - 2¹ = 343858543783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343858543783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3513069 + ... + 3609621.

It is an arithmetic number, because the mean of its divisors is an integer number (12850130475).

Almost surely, 2^343858543785 is an apocalyptic number.

It is an amenable number.

343858543785 is a deficient number, since it is larger than the sum of its proper divisors (272947719015).

343858543785 is a wasteful number, since it uses less digits than its factorization.

343858543785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99322 (or 99319 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 63.

The spelling of 343858543785 in words is "three hundred forty-three billion, eight hundred fifty-eight million, five hundred forty-three thousand, seven hundred eighty-five".