8538621485 has 8 divisors (see below), whose sum is σ = 10256213760. Its totient is φ = 6824318544.

The previous prime is 8538621473. The next prime is 8538621523. The reversal of 8538621485 is 5841268358.

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

It is a cyclic number.

It is not a de Polignac number, because 8538621485 - 2¹⁸ = 8538359341 is a prime.

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, 816617 + ... + 827006.

It is an arithmetic number, because the mean of its divisors is an integer number (1282026720).

Almost surely, 2^8538621485 is an apocalyptic number.

It is an amenable number.

8538621485 is a deficient number, since it is larger than the sum of its proper divisors (1717592275).

8538621485 is a wasteful number, since it uses less digits than its factorization.

8538621485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644667.

The product of its digits is 1843200, while the sum is 50.

The square root of 8538621485 is about 92404.6615977787. The cubic root of 8538621485 is about 2043.9138534349.

The spelling of 8538621485 in words is "eight billion, five hundred thirty-eight million, six hundred twenty-one thousand, four hundred eighty-five".