947855558749 has 8 divisors (see below), whose sum is σ = 1088446574880. Its totient is φ = 816334930800.

The previous prime is 947855558719. The next prime is 947855558807.

947855558749 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 947855558749 - 2¹⁷ = 947855427677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947855558719) 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 7 ways as a sum of consecutive naturals, for example, 2267596822 + ... + 2267597239.

It is an arithmetic number, because the mean of its divisors is an integer number (136055821860).

Almost surely, 2^947855558749 is an apocalyptic number.

It is an amenable number.

947855558749 is a deficient number, since it is larger than the sum of its proper divisors (140591016131).

947855558749 is a wasteful number, since it uses less digits than its factorization.

947855558749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535194091.

The product of its digits is 2540160000, while the sum is 76.

The spelling of 947855558749 in words is "nine hundred forty-seven billion, eight hundred fifty-five million, five hundred fifty-eight thousand, seven hundred forty-nine".