506788885 has 8 divisors (see below), whose sum is σ = 608396760. Its totient is φ = 405264384.

The previous prime is 506788847. The next prime is 506788897. The reversal of 506788885 is 588887605.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39450961 + 467337924 = 6281^2 + 21618^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506788885 is a prime.

It is a super-3 number, since 3×506788885³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6580 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (76049595).

Almost surely, 2^506788885 is an apocalyptic number.

It is an amenable number.

506788885 is a deficient number, since it is larger than the sum of its proper divisors (101607875).

506788885 is a wasteful number, since it uses less digits than its factorization.

506788885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41687.

The product of its (nonzero) digits is 4300800, while the sum is 55.

The square root of 506788885 is about 22511.9720371184. The cubic root of 506788885 is about 797.2766171064.

The spelling of 506788885 in words is "five hundred six million, seven hundred eighty-eight thousand, eight hundred eighty-five".