506428678 has 16 divisors (see below), whose sum is σ = 868757760. Its totient is φ = 216892296.

The previous prime is 506428661. The next prime is 506428687. The reversal of 506428678 is 876824605.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10225 + ... + 33427.

It is an arithmetic number, because the mean of its divisors is an integer number (54297360).

Almost surely, 2^506428678 is an apocalyptic number.

506428678 is a deficient number, since it is larger than the sum of its proper divisors (362329082).

506428678 is a wasteful number, since it uses less digits than its factorization.

506428678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24771.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 506428678 is about 22503.9702719320. The cubic root of 506428678 is about 797.0876806519.

The spelling of 506428678 in words is "five hundred six million, four hundred twenty-eight thousand, six hundred seventy-eight".