8956978833 has 32 divisors (see below), whose sum is σ = 13396440960. Its totient is φ = 5275445760.

The previous prime is 8956978729. The next prime is 8956978837. The reversal of 8956978833 is 3388796598.

It is not a de Polignac number, because 8956978833 - 2¹⁸ = 8956716689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8956978837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140163 + ... + 1147991.

It is an arithmetic number, because the mean of its divisors is an integer number (418638780).

Almost surely, 2^8956978833 is an apocalyptic number.

It is an amenable number.

8956978833 is a deficient number, since it is larger than the sum of its proper divisors (4439462127).

8956978833 is a wasteful number, since it uses less digits than its factorization.

8956978833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817.

The product of its digits is 78382080, while the sum is 66.

The square root of 8956978833 is about 94641.3167332323. The cubic root of 8956978833 is about 2076.7641711670.

It can be divided in two parts, 8956 and 978833, that added together give a palindrome (987789).

The spelling of 8956978833 in words is "eight billion, nine hundred fifty-six million, nine hundred seventy-eight thousand, eight hundred thirty-three".