8364973961 has 4 divisors (see below), whose sum is σ = 8365351632. Its totient is φ = 8364596292.

The previous prime is 8364973957. The next prime is 8364973963. The reversal of 8364973961 is 1693794638.

8364973961 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 8364973961 - 2² = 8364973957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8364973897 and 8364973906.

It is not an unprimeable number, because it can be changed into a prime (8364973963) 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, 153395 + ... + 200648.

It is an arithmetic number, because the mean of its divisors is an integer number (2091337908).

Almost surely, 2^8364973961 is an apocalyptic number.

It is an amenable number.

8364973961 is a deficient number, since it is larger than the sum of its proper divisors (377671).

8364973961 is a wasteful number, since it uses less digits than its factorization.

8364973961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377670.

The product of its digits is 5878656, while the sum is 56.

The square root of 8364973961 is about 91460.2315818192. The cubic root of 8364973961 is about 2029.9633537028.

The spelling of 8364973961 in words is "eight billion, three hundred sixty-four million, nine hundred seventy-three thousand, nine hundred sixty-one".