947987323789749 has 8 divisors (see below), whose sum is σ = 1264181245942560. Its totient is φ = 631892475415056.

The previous prime is 947987323789747. The next prime is 947987323789757.

947987323789749 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 947987323789749 - 2¹ = 947987323789747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947987323789747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24768422202 + ... + 24768460475.

It is an arithmetic number, because the mean of its divisors is an integer number (158022655742820).

Almost surely, 2^{947987323789749} is an apocalyptic number.

It is an amenable number.

947987323789749 is a deficient number, since it is larger than the sum of its proper divisors (316193922152811).

947987323789749 is a wasteful number, since it uses less digits than its factorization.

947987323789749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49536889059.

The product of its digits is 290358577152, while the sum is 96.

The spelling of 947987323789749 in words is "nine hundred forty-seven trillion, nine hundred eighty-seven billion, three hundred twenty-three million, seven hundred eighty-nine thousand, seven hundred forty-nine".