8517106438 has 4 divisors (see below), whose sum is σ = 12775659660. Its totient is φ = 4258553218.

The previous prime is 8517106393. The next prime is 8517106441. The reversal of 8517106438 is 8346017158.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8517106438² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8517106394 and 8517106403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129276608 + ... + 2129276611.

It is an arithmetic number, because the mean of its divisors is an integer number (3193914915).

Almost surely, 2^8517106438 is an apocalyptic number.

8517106438 is a deficient number, since it is larger than the sum of its proper divisors (4258553222).

8517106438 is a wasteful number, since it uses less digits than its factorization.

8517106438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258553221.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8517106438 is about 92288.1706287431. The cubic root of 8517106438 is about 2042.1957037510.

The spelling of 8517106438 in words is "eight billion, five hundred seventeen million, one hundred six thousand, four hundred thirty-eight".