627401087 has 2 divisors, whose sum is σ = 627401088. Its totient is φ = 627401086.

The previous prime is 627401083. The next prime is 627401143. The reversal of 627401087 is 780104726.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 627401087 - 2² = 627401083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627401083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313700543 + 313700544.

It is an arithmetic number, because the mean of its divisors is an integer number (313700544).

Almost surely, 2^627401087 is an apocalyptic number.

627401087 is a deficient number, since it is larger than the sum of its proper divisors (1).

627401087 is an equidigital number, since it uses as much as digits as its factorization.

627401087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 627401087 is about 25047.9757066315. The cubic root of 627401087 is about 856.0814545126.

The spelling of 627401087 in words is "six hundred twenty-seven million, four hundred one thousand, eighty-seven".