342170687 has 2 divisors, whose sum is σ = 342170688. Its totient is φ = 342170686.

The previous prime is 342170683. The next prime is 342170693. The reversal of 342170687 is 786071243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342170687 - 2² = 342170683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342170687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342170683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171085343 + 171085344.

It is an arithmetic number, because the mean of its divisors is an integer number (171085344).

Almost surely, 2^342170687 is an apocalyptic number.

342170687 is a deficient number, since it is larger than the sum of its proper divisors (1).

342170687 is an equidigital number, since it uses as much as digits as its factorization.

342170687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 342170687 is about 18497.8562812019. The cubic root of 342170687 is about 699.4353862066.

The spelling of 342170687 in words is "three hundred forty-two million, one hundred seventy thousand, six hundred eighty-seven".