538007885 has 8 divisors (see below), whose sum is σ = 647472096. Its totient is φ = 429164560.

The previous prime is 538007879. The next prime is 538007887. The reversal of 538007885 is 588700835.

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

It is not a de Polignac number, because 538007885 - 2²⁰ = 536959309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538007887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153311 + ... + 156780.

It is an arithmetic number, because the mean of its divisors is an integer number (80934012).

Almost surely, 2^538007885 is an apocalyptic number.

It is an amenable number.

538007885 is a deficient number, since it is larger than the sum of its proper divisors (109464211).

538007885 is a wasteful number, since it uses less digits than its factorization.

538007885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310443.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 538007885 is about 23194.9969821080. The cubic root of 538007885 is about 813.3226747498.

The spelling of 538007885 in words is "five hundred thirty-eight million, seven thousand, eight hundred eighty-five".