345182518277 has 4 divisors (see below), whose sum is σ = 345203801376. Its totient is φ = 345161235180.

The previous prime is 345182518199. The next prime is 345182518283. The reversal of 345182518277 is 772815281543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345182518277 - 2²⁴ = 345165741061 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 (345182518477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10617203 + ... + 10649664.

It is an arithmetic number, because the mean of its divisors is an integer number (86300950344).

Almost surely, 2^345182518277 is an apocalyptic number.

It is an amenable number.

345182518277 is a deficient number, since it is larger than the sum of its proper divisors (21283099).

345182518277 is a wasteful number, since it uses less digits than its factorization.

345182518277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21283098.

The product of its digits is 3763200, while the sum is 53.

The spelling of 345182518277 in words is "three hundred forty-five billion, one hundred eighty-two million, five hundred eighteen thousand, two hundred seventy-seven".