345207546873 has 48 divisors (see below), whose sum is σ = 606140444160. Its totient is φ = 193539501792.

The previous prime is 345207546869. The next prime is 345207546899. The reversal of 345207546873 is 378645702543.

It is a happy number.

345207546873 is a `hidden beast` number, since 3 + 4 + 5 + 20 + 7 + 546 + 8 + 73 = 666.

It is not a de Polignac number, because 345207546873 - 2² = 345207546869 is a prime.

It is a super-3 number, since 3×345207546873³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (345207546773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2391465 + ... + 2531702.

It is an arithmetic number, because the mean of its divisors is an integer number (12627925920).

Almost surely, 2^345207546873 is an apocalyptic number.

It is an amenable number.

345207546873 is a deficient number, since it is larger than the sum of its proper divisors (260932897287).

345207546873 is a wasteful number, since it uses less digits than its factorization.

345207546873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923243 (or 4923230 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 345207546873 in words is "three hundred forty-five billion, two hundred seven million, five hundred forty-six thousand, eight hundred seventy-three".