8672783943 has 4 divisors (see below), whose sum is σ = 11563711928. Its totient is φ = 5781855960.

The previous prime is 8672783941. The next prime is 8672783963. The reversal of 8672783943 is 3493872768.

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

It is not a de Polignac number, because 8672783943 - 2¹ = 8672783941 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 (8672783941) 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, 1445463988 + ... + 1445463993.

It is an arithmetic number, because the mean of its divisors is an integer number (2890927982).

Almost surely, 2^8672783943 is an apocalyptic number.

8672783943 is a deficient number, since it is larger than the sum of its proper divisors (2890927985).

8672783943 is a wasteful number, since it uses less digits than its factorization.

8672783943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890927984.

The product of its digits is 12192768, while the sum is 57.

The square root of 8672783943 is about 93127.7828738556. The cubic root of 8672783943 is about 2054.5632192516.

The spelling of 8672783943 in words is "eight billion, six hundred seventy-two million, seven hundred eighty-three thousand, nine hundred forty-three".