8978931186083 has 4 divisors (see below), whose sum is σ = 8979693480840. Its totient is φ = 8978168891328.

The previous prime is 8978931186079. The next prime is 8978931186089. The reversal of 8978931186083 is 3806811398798.

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 8978931186083 - 2² = 8978931186079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8978931185998 and 8978931186016.

It is not an unprimeable number, because it can be changed into a prime (8978931186089) 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 3 ways as a sum of consecutive naturals, for example, 381129710 + ... + 381153267.

It is an arithmetic number, because the mean of its divisors is an integer number (2244923370210).

Almost surely, 2^{8978931186083} is an apocalyptic number.

8978931186083 is a deficient number, since it is larger than the sum of its proper divisors (762294757).

8978931186083 is a wasteful number, since it uses less digits than its factorization.

8978931186083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762294756.

The product of its (nonzero) digits is 125411328, while the sum is 71.

The spelling of 8978931186083 in words is "eight trillion, nine hundred seventy-eight billion, nine hundred thirty-one million, one hundred eighty-six thousand, eighty-three".