8646672871 has 8 divisors (see below), whose sum is σ = 8679342464. Its totient is φ = 8614045440.

The previous prime is 8646672869. The next prime is 8646672919. The reversal of 8646672871 is 1782766468.

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 8646672871 - 2¹ = 8646672869 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 (8646672841) 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, 435466 + ... + 454888.

It is an arithmetic number, because the mean of its divisors is an integer number (1084917808).

Almost surely, 2^8646672871 is an apocalyptic number.

8646672871 is a deficient number, since it is larger than the sum of its proper divisors (32669593).

8646672871 is a wasteful number, since it uses less digits than its factorization.

8646672871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081.

The product of its digits is 5419008, while the sum is 55.

The square root of 8646672871 is about 92987.4877120573. The cubic root of 8646672871 is about 2052.4992615976.

The spelling of 8646672871 in words is "eight billion, six hundred forty-six million, six hundred seventy-two thousand, eight hundred seventy-one".