8538216706 has 8 divisors (see below), whose sum is σ = 12808113984. Its totient is φ = 4268845380.

The previous prime is 8538216689. The next prime is 8538216721. The reversal of 8538216706 is 6076128358.

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

It is a super-2 number, since 2×8538216706² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88030 + ... + 157561.

It is an arithmetic number, because the mean of its divisors is an integer number (1601014248).

Almost surely, 2^8538216706 is an apocalyptic number.

8538216706 is a deficient number, since it is larger than the sum of its proper divisors (4269897278).

8538216706 is a wasteful number, since it uses less digits than its factorization.

8538216706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262976.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 8538216706 is about 92402.4713197650. The cubic root of 8538216706 is about 2043.8815552285.

The spelling of 8538216706 in words is "eight billion, five hundred thirty-eight million, two hundred sixteen thousand, seven hundred six".