8399493671 has 8 divisors (see below), whose sum is σ = 9280259424. Its totient is φ = 7561692160.

The previous prime is 8399493653. The next prime is 8399493721. The reversal of 8399493671 is 1763949938.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8399493671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8399493671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399493611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10740650 + ... + 10741431.

It is an arithmetic number, because the mean of its divisors is an integer number (1160032428).

Almost surely, 2^8399493671 is an apocalyptic number.

8399493671 is a deficient number, since it is larger than the sum of its proper divisors (880765753).

8399493671 is a wasteful number, since it uses less digits than its factorization.

8399493671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21482121.

The product of its digits is 8817984, while the sum is 59.

The square root of 8399493671 is about 91648.7516063367. The cubic root of 8399493671 is about 2032.7518690828.

The spelling of 8399493671 in words is "eight billion, three hundred ninety-nine million, four hundred ninety-three thousand, six hundred seventy-one".