8198947351 has 8 divisors (see below), whose sum is σ = 9371197440. Its totient is φ = 7026940248.

The previous prime is 8198947343. The next prime is 8198947369. The reversal of 8198947351 is 1537498918.

It is a happy number.

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 8198947351 - 2³ = 8198947343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8198947292 and 8198947301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198947321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 129376.

It is an arithmetic number, because the mean of its divisors is an integer number (1171399680).

Almost surely, 2^8198947351 is an apocalyptic number.

8198947351 is a deficient number, since it is larger than the sum of its proper divisors (1172250089).

8198947351 is a wasteful number, since it uses less digits than its factorization.

8198947351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121493.

The product of its digits is 2177280, while the sum is 55.

The square root of 8198947351 is about 90548.0389130543. The cubic root of 8198947351 is about 2016.4433829911.

The spelling of 8198947351 in words is "eight billion, one hundred ninety-eight million, nine hundred forty-seven thousand, three hundred fifty-one".