612970867 has 2 divisors, whose sum is σ = 612970868. Its totient is φ = 612970866.

The previous prime is 612970859. The next prime is 612970879. The reversal of 612970867 is 768079216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612970867 - 2³ = 612970859 is a prime.

It is not a weakly prime, because it can be changed into another prime (612970817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306485433 + 306485434.

It is an arithmetic number, because the mean of its divisors is an integer number (306485434).

Almost surely, 2^612970867 is an apocalyptic number.

612970867 is a deficient number, since it is larger than the sum of its proper divisors (1).

612970867 is an equidigital number, since it uses as much as digits as its factorization.

612970867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 612970867 is about 24758.2484638958. The cubic root of 612970867 is about 849.4671941185.

The spelling of 612970867 in words is "six hundred twelve million, nine hundred seventy thousand, eight hundred sixty-seven".