8117826550 has 24 divisors (see below), whose sum is σ = 15245760816. Its totient is φ = 3215603040.

The previous prime is 8117826547. The next prime is 8117826559. The reversal of 8117826550 is 556287118.

It is a junction number, because it is equal to n+sod(n) for n = 8117826497 and 8117826506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117826559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782989 + ... + 793288.

It is an arithmetic number, because the mean of its divisors is an integer number (635240034).

Almost surely, 2^8117826550 is an apocalyptic number.

8117826550 is a deficient number, since it is larger than the sum of its proper divisors (7127934266).

8117826550 is a wasteful number, since it uses less digits than its factorization.

8117826550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576392 (or 1576387 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The square root of 8117826550 is about 90098.9819587325. The cubic root of 8117826550 is about 2009.7710645752.

The spelling of 8117826550 in words is "eight billion, one hundred seventeen million, eight hundred twenty-six thousand, five hundred fifty".