345172832867 has 2 divisors, whose sum is σ = 345172832868. Its totient is φ = 345172832866.

The previous prime is 345172832803. The next prime is 345172832923. The reversal of 345172832867 is 768238271543.

It is an a-pointer prime, because the next prime (345172832923) can be obtained adding 345172832867 to its sum of digits (56).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345172832867 - 2⁶ = 345172832803 is a prime.

It is not a weakly prime, because it can be changed into another prime (345172832167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172586416433 + 172586416434.

It is an arithmetic number, because the mean of its divisors is an integer number (172586416434).

Almost surely, 2^345172832867 is an apocalyptic number.

345172832867 is a deficient number, since it is larger than the sum of its proper divisors (1).

345172832867 is an equidigital number, since it uses as much as digits as its factorization.

345172832867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 56.

The spelling of 345172832867 in words is "three hundred forty-five billion, one hundred seventy-two million, eight hundred thirty-two thousand, eight hundred sixty-seven".