869331623961 has 16 divisors (see below), whose sum is σ = 1167494307840. Its totient is φ = 575373745680.

The previous prime is 869331623947. The next prime is 869331623983. The reversal of 869331623961 is 169326133968.

It is a happy number.

It is not a de Polignac number, because 869331623961 - 2²¹ = 869329526809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869331623911) 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 15 ways as a sum of consecutive naturals, for example, 1219891 + ... + 1796328.

It is an arithmetic number, because the mean of its divisors is an integer number (72968394240).

Almost surely, 2^869331623961 is an apocalyptic number.

It is an amenable number.

869331623961 is a deficient number, since it is larger than the sum of its proper divisors (298162683879).

869331623961 is a wasteful number, since it uses less digits than its factorization.

869331623961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016916.

The product of its digits is 7558272, while the sum is 57.

The spelling of 869331623961 in words is "eight hundred sixty-nine billion, three hundred thirty-one million, six hundred twenty-three thousand, nine hundred sixty-one".