8347670663 has 4 divisors (see below), whose sum is σ = 8353497408. Its totient is φ = 8341843920.

The previous prime is 8347670659. The next prime is 8347670783. The reversal of 8347670663 is 3660767438.

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

It is a cyclic number.

It is not a de Polignac number, because 8347670663 - 2² = 8347670659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8347670063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911223 + ... + 2914088.

It is an arithmetic number, because the mean of its divisors is an integer number (2088374352).

Almost surely, 2^8347670663 is an apocalyptic number.

8347670663 is a deficient number, since it is larger than the sum of its proper divisors (5826745).

8347670663 is a wasteful number, since it uses less digits than its factorization.

8347670663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826744.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The square root of 8347670663 is about 91365.5879584869. The cubic root of 8347670663 is about 2028.5626994951.

The spelling of 8347670663 in words is "eight billion, three hundred forty-seven million, six hundred seventy thousand, six hundred sixty-three".