503870871 has 24 divisors (see below), whose sum is σ = 827489520. Its totient is φ = 270988032.

The previous prime is 503870863. The next prime is 503870891. The reversal of 503870871 is 178078305.

It is not a de Polignac number, because 503870871 - 2³ = 503870863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503870891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98316 + ... + 103313.

It is an arithmetic number, because the mean of its divisors is an integer number (34478730).

Almost surely, 2^503870871 is an apocalyptic number.

503870871 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

503870871 is a deficient number, since it is larger than the sum of its proper divisors (323618649).

503870871 is a wasteful number, since it uses less digits than its factorization.

503870871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201663 (or 201656 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 503870871 is about 22447.0682050017. The cubic root of 503870871 is about 795.7434712664.

The spelling of 503870871 in words is "five hundred three million, eight hundred seventy thousand, eight hundred seventy-one".