345198086237 has 8 divisors (see below), whose sum is σ = 346326278136. Its totient is φ = 344071729152.

The previous prime is 345198086227. The next prime is 345198086249. The reversal of 345198086237 is 732680891543.

It can be written as a sum of positive squares in 4 ways, for example, as 56405775001 + 288792311236 = 237499^2 + 537394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345198086237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345198086227) 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 7 ways as a sum of consecutive naturals, for example, 81308 + ... + 834869.

It is an arithmetic number, because the mean of its divisors is an integer number (43290784767).

It is a 1-persistent number, because it is pandigital, but 2⋅345198086237 = 690396172474 is not.

Almost surely, 2^345198086237 is an apocalyptic number.

It is an amenable number.

345198086237 is a deficient number, since it is larger than the sum of its proper divisors (1128191899).

345198086237 is an equidigital number, since it uses as much as digits as its factorization.

345198086237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917407.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 345198086237 in words is "three hundred forty-five billion, one hundred ninety-eight million, eighty-six thousand, two hundred thirty-seven".