648427087 has 16 divisors (see below), whose sum is σ = 825633792. Its totient is φ = 494514720.

The previous prime is 648427067. The next prime is 648427111. The reversal of 648427087 is 780724846.

It is not a de Polignac number, because 648427087 - 2¹⁵ = 648394319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648427027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85968 + ... + 93205.

It is an arithmetic number, because the mean of its divisors is an integer number (51602112).

Almost surely, 2^648427087 is an apocalyptic number.

648427087 is a deficient number, since it is larger than the sum of its proper divisors (177206705).

648427087 is a wasteful number, since it uses less digits than its factorization.

648427087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179238.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 648427087 is about 25464.2315218818. The cubic root of 648427087 is about 865.5398134089.

The spelling of 648427087 in words is "six hundred forty-eight million, four hundred twenty-seven thousand, eighty-seven".