701665387 has 2 divisors, whose sum is σ = 701665388. Its totient is φ = 701665386.

The previous prime is 701665331. The next prime is 701665403. The reversal of 701665387 is 783566107.

It is a strong prime.

It is an emirp because it is prime and its reverse (783566107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 701665387 - 2¹⁹ = 701141099 is a prime.

It is not a weakly prime, because it can be changed into another prime (701665487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350832693 + 350832694.

It is an arithmetic number, because the mean of its divisors is an integer number (350832694).

Almost surely, 2^701665387 is an apocalyptic number.

701665387 is a deficient number, since it is larger than the sum of its proper divisors (1).

701665387 is an equidigital number, since it uses as much as digits as its factorization.

701665387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 701665387 is about 26488.9672694124. The cubic root of 701665387 is about 888.6075887216.

The spelling of 701665387 in words is "seven hundred one million, six hundred sixty-five thousand, three hundred eighty-seven".