616328347 has 2 divisors, whose sum is σ = 616328348. Its totient is φ = 616328346.

The previous prime is 616328341. The next prime is 616328389. The reversal of 616328347 is 743823616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616328347 - 2¹⁵ = 616295579 is a prime.

It is not a weakly prime, because it can be changed into another prime (616328341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308164173 + 308164174.

It is an arithmetic number, because the mean of its divisors is an integer number (308164174).

Almost surely, 2^616328347 is an apocalyptic number.

616328347 is a deficient number, since it is larger than the sum of its proper divisors (1).

616328347 is an equidigital number, since it uses as much as digits as its factorization.

616328347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 616328347 is about 24825.9611495708. The cubic root of 616328347 is about 851.0153251194.

The spelling of 616328347 in words is "six hundred sixteen million, three hundred twenty-eight thousand, three hundred forty-seven".