345404637755 has 16 divisors (see below), whose sum is σ = 418653930240. Its totient is φ = 273546650208.

The previous prime is 345404637731. The next prime is 345404637757. The reversal of 345404637755 is 557736404543.

It is a cyclic number.

It is not a de Polignac number, because 345404637755 - 2²⁶ = 345337528891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345404637697 and 345404637706.

It is not an unprimeable number, because it can be changed into a prime (345404637757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399484 + ... + 1627686.

It is an arithmetic number, because the mean of its divisors is an integer number (26165870640).

Almost surely, 2^345404637755 is an apocalyptic number.

345404637755 is a deficient number, since it is larger than the sum of its proper divisors (73249292485).

345404637755 is a wasteful number, since it uses less digits than its factorization.

345404637755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231250.

The product of its (nonzero) digits is 21168000, while the sum is 53.

The spelling of 345404637755 in words is "three hundred forty-five billion, four hundred four million, six hundred thirty-seven thousand, seven hundred fifty-five".