869331623947 has 2 divisors, whose sum is σ = 869331623948. Its totient is φ = 869331623946.

The previous prime is 869331623911. The next prime is 869331623983. The reversal of 869331623947 is 749326133968.

It is a balanced prime because it is at equal distance from previous prime (869331623911) and next prime (869331623983).

It is a cyclic number.

It is not a de Polignac number, because 869331623947 - 2⁷ = 869331623819 is a prime.

It is not a weakly prime, because it can be changed into another prime (869331621947) 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 as a sum of consecutive naturals, namely, 434665811973 + 434665811974.

It is an arithmetic number, because the mean of its divisors is an integer number (434665811974).

Almost surely, 2^869331623947 is an apocalyptic number.

869331623947 is a deficient number, since it is larger than the sum of its proper divisors (1).

869331623947 is an equidigital number, since it uses as much as digits as its factorization.

869331623947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 61.

The spelling of 869331623947 in words is "eight hundred sixty-nine billion, three hundred thirty-one million, six hundred twenty-three thousand, nine hundred forty-seven".