345276672543 has 32 divisors (see below), whose sum is σ = 582284782080. Its totient is φ = 200160385920.

The previous prime is 345276672509. The next prime is 345276672563.

345276672543 is a `hidden beast` number, since 3 + 4 + 5 + 27 + 6 + 6 + 72 + 543 = 666.

345276672543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345276672543 - 2⁸ = 345276672287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345276672543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345276672563) 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 31 ways as a sum of consecutive naturals, for example, 25265946 + ... + 25279607.

It is an arithmetic number, because the mean of its divisors is an integer number (18196399440).

Almost surely, 2^345276672543 is an apocalyptic number.

345276672543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345276672543 is a deficient number, since it is larger than the sum of its proper divisors (237008109537).

345276672543 is a wasteful number, since it uses less digits than its factorization.

345276672543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50545596 (or 50545590 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 54.

The spelling of 345276672543 in words is "three hundred forty-five billion, two hundred seventy-six million, six hundred seventy-two thousand, five hundred forty-three".