700071287 has 2 divisors, whose sum is σ = 700071288. Its totient is φ = 700071286.

The previous prime is 700071247. The next prime is 700071311. The reversal of 700071287 is 782170007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 700071287 - 2¹⁰ = 700070263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700071227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350035643 + 350035644.

It is an arithmetic number, because the mean of its divisors is an integer number (350035644).

Almost surely, 2^700071287 is an apocalyptic number.

700071287 is a deficient number, since it is larger than the sum of its proper divisors (1).

700071287 is an equidigital number, since it uses as much as digits as its factorization.

700071287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 700071287 is about 26458.8602740179. The cubic root of 700071287 is about 887.9341416779.

It can be divided in two parts, 70007 and 1287, that multiplied together give a palindrome (90099009).

The spelling of 700071287 in words is "seven hundred million, seventy-one thousand, two hundred eighty-seven".