947647388432 has 40 divisors (see below), whose sum is σ = 1842240696192. Its totient is φ = 472230886400.

The previous prime is 947647388431. The next prime is 947647388449. The reversal of 947647388432 is 234883746749.

It is not an unprimeable number, because it can be changed into a prime (947647388431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58863008 + ... + 58879104.

Almost surely, 2^947647388432 is an apocalyptic number.

It is an amenable number.

947647388432 is a deficient number, since it is larger than the sum of its proper divisors (894593307760).

947647388432 is a wasteful number, since it uses less digits than its factorization.

947647388432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247 (or 28241 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 65.

The spelling of 947647388432 in words is "nine hundred forty-seven billion, six hundred forty-seven million, three hundred eighty-eight thousand, four hundred thirty-two".