5285667638 has 8 divisors (see below), whose sum is σ = 8037111288. Its totient is φ = 2606630544.

The previous prime is 5285667637. The next prime is 5285667683. The reversal of 5285667638 is 8367665825.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285667637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18101456 + ... + 18101747.

It is an arithmetic number, because the mean of its divisors is an integer number (1004638911).

Almost surely, 2^5285667638 is an apocalyptic number.

5285667638 is a deficient number, since it is larger than the sum of its proper divisors (2751443650).

5285667638 is a wasteful number, since it uses less digits than its factorization.

5285667638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203278.

The product of its digits is 14515200, while the sum is 56.

The square root of 5285667638 is about 72702.5971888213. The cubic root of 5285667638 is about 1741.9403683052.

The spelling of 5285667638 in words is "five billion, two hundred eighty-five million, six hundred sixty-seven thousand, six hundred thirty-eight".