345616847 has 2 divisors, whose sum is σ = 345616848. Its totient is φ = 345616846.

The previous prime is 345616823. The next prime is 345616871. The reversal of 345616847 is 748616543.

It is a balanced prime because it is at equal distance from previous prime (345616823) and next prime (345616871).

It is a cyclic number.

It is not a de Polignac number, because 345616847 - 2¹⁸ = 345354703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345616798 and 345616807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345616877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172808423 + 172808424.

It is an arithmetic number, because the mean of its divisors is an integer number (172808424).

Almost surely, 2^345616847 is an apocalyptic number.

345616847 is a deficient number, since it is larger than the sum of its proper divisors (1).

345616847 is an equidigital number, since it uses as much as digits as its factorization.

345616847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 345616847 is about 18590.7731684295. The cubic root of 345616847 is about 701.7756599781.

The spelling of 345616847 in words is "three hundred forty-five million, six hundred sixteen thousand, eight hundred forty-seven".