947765216 has 12 divisors (see below), whose sum is σ = 1865912832. Its totient is φ = 473882592.

The previous prime is 947765213. The next prime is 947765237. The reversal of 947765216 is 612567749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947765213) 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 as a sum of consecutive naturals, namely, 14808800 + ... + 14808863.

It is an arithmetic number, because the mean of its divisors is an integer number (155492736).

Almost surely, 2^947765216 is an apocalyptic number.

It is an amenable number.

947765216 is a deficient number, since it is larger than the sum of its proper divisors (918147616).

947765216 is a wasteful number, since it uses less digits than its factorization.

947765216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29617673 (or 29617665 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 947765216 is about 30785.7956856730. The cubic root of 947765216 is about 982.2761255070.

The spelling of 947765216 in words is "nine hundred forty-seven million, seven hundred sixty-five thousand, two hundred sixteen".