659278755 has 24 divisors (see below), whose sum is σ = 1143357072. Its totient is φ = 351428544.

The previous prime is 659278733. The next prime is 659278769. The reversal of 659278755 is 557872956.

It is not a de Polignac number, because 659278755 - 2¹² = 659274659 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 141117 + ... + 145713.

It is an arithmetic number, because the mean of its divisors is an integer number (47639878).

Almost surely, 2^659278755 is an apocalyptic number.

659278755 is a deficient number, since it is larger than the sum of its proper divisors (484078317).

659278755 is a wasteful number, since it uses less digits than its factorization.

659278755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795 (or 7792 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The square root of 659278755 is about 25676.4241085086. The cubic root of 659278755 is about 870.3415028718.

The spelling of 659278755 in words is "six hundred fifty-nine million, two hundred seventy-eight thousand, seven hundred fifty-five".