506678894 has 16 divisors (see below), whose sum is σ = 802958400. Its totient is φ = 239397984.

The previous prime is 506678881. The next prime is 506678899. The reversal of 506678894 is 498876605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506678899) 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 in 7 ways as a sum of consecutive naturals, for example, 90209 + ... + 95660.

It is an arithmetic number, because the mean of its divisors is an integer number (50184900).

Almost surely, 2^506678894 is an apocalyptic number.

506678894 is a deficient number, since it is larger than the sum of its proper divisors (296279506).

506678894 is a wasteful number, since it uses less digits than its factorization.

506678894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185947.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 506678894 is about 22509.5289599760. The cubic root of 506678894 is about 797.2189339173.

The spelling of 506678894 in words is "five hundred six million, six hundred seventy-eight thousand, eight hundred ninety-four".