670000406797 has 2 divisors, whose sum is σ = 670000406798. Its totient is φ = 670000406796.

The previous prime is 670000406791. The next prime is 670000406809. The reversal of 670000406797 is 797604000076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561104366761 + 108896040036 = 749069^2 + 329994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670000406797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670000406791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335000203398 + 335000203399.

It is an arithmetic number, because the mean of its divisors is an integer number (335000203399).

Almost surely, 2^670000406797 is an apocalyptic number.

It is an amenable number.

670000406797 is a deficient number, since it is larger than the sum of its proper divisors (1).

670000406797 is an equidigital number, since it uses as much as digits as its factorization.

670000406797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 670000406797 in words is "six hundred seventy billion, four hundred six thousand, seven hundred ninety-seven".