616822697 has 2 divisors, whose sum is σ = 616822698. Its totient is φ = 616822696.

The previous prime is 616822693. The next prime is 616822727. The reversal of 616822697 is 796228616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321807721 + 295014976 = 17939^2 + 17176^2 .

It is a cyclic number.

It is not a de Polignac number, because 616822697 - 2² = 616822693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616822693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308411348 + 308411349.

It is an arithmetic number, because the mean of its divisors is an integer number (308411349).

Almost surely, 2^616822697 is an apocalyptic number.

It is an amenable number.

616822697 is a deficient number, since it is larger than the sum of its proper divisors (1).

616822697 is an equidigital number, since it uses as much as digits as its factorization.

616822697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 616822697 is about 24835.9154653095. The cubic root of 616822697 is about 851.2427942375.

The spelling of 616822697 in words is "six hundred sixteen million, eight hundred twenty-two thousand, six hundred ninety-seven".