502085478 has 8 divisors (see below), whose sum is σ = 1004170968. Its totient is φ = 167361824.

The previous prime is 502085407. The next prime is 502085539. The reversal of 502085478 is 874580205.

It is a sphenic number, since it is the product of 3 distinct primes.

502085478 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41840451 + ... + 41840462.

It is an arithmetic number, because the mean of its divisors is an integer number (125521371).

Almost surely, 2^502085478 is an apocalyptic number.

502085478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

502085478 is a wasteful number, since it uses less digits than its factorization.

502085478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83680918.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 502085478 is about 22407.2639561371. The cubic root of 502085478 is about 794.8024919743.

The spelling of 502085478 in words is "five hundred two million, eighty-five thousand, four hundred seventy-eight".