345442333687 has 4 divisors (see below), whose sum is σ = 376846182216. Its totient is φ = 314038485160.

The previous prime is 345442333681. The next prime is 345442333763. The reversal of 345442333687 is 786333244543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345442333687 - 2³ = 345442333679 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 (345442333681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15701924248 + ... + 15701924269.

It is an arithmetic number, because the mean of its divisors is an integer number (94211545554).

Almost surely, 2^345442333687 is an apocalyptic number.

345442333687 is a deficient number, since it is larger than the sum of its proper divisors (31403848529).

345442333687 is a wasteful number, since it uses less digits than its factorization.

345442333687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31403848528.

The product of its digits is 17418240, while the sum is 52.

The spelling of 345442333687 in words is "three hundred forty-five billion, four hundred forty-two million, three hundred thirty-three thousand, six hundred eighty-seven".