8117650510398 has 96 divisors (see below), whose sum is σ = 20755771545600. Its totient is φ = 2260488928320.

The previous prime is 8117650510391. The next prime is 8117650510399. The reversal of 8117650510398 is 8930150567118.

It is a happy number.

8117650510398 is a `hidden beast` number, since 8 + 1 + 1 + 76 + 50 + 510 + 3 + 9 + 8 = 666.

It is a super-2 number, since 2×8117650510398² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117650510391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6497098 + ... + 7645101.

It is an arithmetic number, because the mean of its divisors is an integer number (216205953600).

Almost surely, 2^{8117650510398} is an apocalyptic number.

8117650510398 is an abundant number, since it is smaller than the sum of its proper divisors (12638121035202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8117650510398 is a wasteful number, since it uses less digits than its factorization.

8117650510398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142454 (or 14142451 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 8117650510398 in words is "eight trillion, one hundred seventeen billion, six hundred fifty million, five hundred ten thousand, three hundred ninety-eight".