670625599757 has 2 divisors, whose sum is σ = 670625599758. Its totient is φ = 670625599756.

The previous prime is 670625599681. The next prime is 670625599829. The reversal of 670625599757 is 757995526076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625318774441 + 45306825316 = 790771^2 + 212854^2 .

It is a cyclic number.

It is not a de Polignac number, because 670625599757 - 2¹⁰ = 670625598733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670625599957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335312799878 + 335312799879.

It is an arithmetic number, because the mean of its divisors is an integer number (335312799879).

Almost surely, 2^670625599757 is an apocalyptic number.

It is an amenable number.

670625599757 is a deficient number, since it is larger than the sum of its proper divisors (1).

670625599757 is an equidigital number, since it uses as much as digits as its factorization.

670625599757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250047000, while the sum is 68.

The spelling of 670625599757 in words is "six hundred seventy billion, six hundred twenty-five million, five hundred ninety-nine thousand, seven hundred fifty-seven".