507811068 has 54 divisors (see below), whose sum is σ = 1301950104. Its totient is φ = 166888512.

The previous prime is 507811067. The next prime is 507811091. The reversal of 507811068 is 860118705.

507811068 is a `hidden beast` number, since 507 + 81 + 10 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507811061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 190521 + ... + 193167.

Almost surely, 2^507811068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 507811068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650975052).

507811068 is an abundant number, since it is smaller than the sum of its proper divisors (794139036).

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

507811068 is a wasteful number, since it uses less digits than its factorization.

507811068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 507811068 is about 22534.6636984003. The cubic root of 507811068 is about 797.8122874289.

The spelling of 507811068 in words is "five hundred seven million, eight hundred eleven thousand, sixty-eight".