345678967 has 2 divisors, whose sum is σ = 345678968. Its totient is φ = 345678966.

The previous prime is 345678943. The next prime is 345679013. The reversal of 345678967 is 769876543.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345678967 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345676967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172839483 + 172839484.

It is an arithmetic number, because the mean of its divisors is an integer number (172839484).

Almost surely, 2^345678967 is an apocalyptic number.

345678967 is a deficient number, since it is larger than the sum of its proper divisors (1).

345678967 is an equidigital number, since it uses as much as digits as its factorization.

345678967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The square root of 345678967 is about 18592.4438146253. The cubic root of 345678967 is about 701.8177023851.

It can be divided in two parts, 34567 and 8967, that added together give a palindrome (43534).

The spelling of 345678967 in words is "three hundred forty-five million, six hundred seventy-eight thousand, nine hundred sixty-seven".