8639076961 has 4 divisors (see below), whose sum is σ = 8648478400. Its totient is φ = 8629675524.

The previous prime is 8639076923. The next prime is 8639076973. The reversal of 8639076961 is 1696709368.

8639076961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8639076961 - 2¹³ = 8639068769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8639176961) 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, 4699341 + ... + 4701178.

It is an arithmetic number, because the mean of its divisors is an integer number (2162119600).

Almost surely, 2^8639076961 is an apocalyptic number.

It is an amenable number.

8639076961 is a deficient number, since it is larger than the sum of its proper divisors (9401439).

8639076961 is an equidigital number, since it uses as much as digits as its factorization.

8639076961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401438.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 8639076961 is about 92946.6350170892. The cubic root of 8639076961 is about 2051.8980605167.

The spelling of 8639076961 in words is "eight billion, six hundred thirty-nine million, seventy-six thousand, nine hundred sixty-one".