616828307 has 2 divisors, whose sum is σ = 616828308. Its totient is φ = 616828306.

The previous prime is 616828301. The next prime is 616828339. The reversal of 616828307 is 703828616.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616828307 - 2⁶ = 616828243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616828301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308414153 + 308414154.

It is an arithmetic number, because the mean of its divisors is an integer number (308414154).

Almost surely, 2^616828307 is an apocalyptic number.

616828307 is a deficient number, since it is larger than the sum of its proper divisors (1).

616828307 is an equidigital number, since it uses as much as digits as its factorization.

616828307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 616828307 is about 24836.0284063294. The cubic root of 616828307 is about 851.2453749130.

The spelling of 616828307 in words is "six hundred sixteen million, eight hundred twenty-eight thousand, three hundred seven".