947506664 has 16 divisors (see below), whose sum is σ = 1913234820. Its totient is φ = 437310720.

The previous prime is 947506627. The next prime is 947506691. The reversal of 947506664 is 466605749.

It can be written as a sum of positive squares in 2 ways, for example, as 736036900 + 211469764 = 27130^2 + 14542^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4555217 + ... + 4555424.

Almost surely, 2^947506664 is an apocalyptic number.

It is an amenable number.

947506664 is an abundant number, since it is smaller than the sum of its proper divisors (965728156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947506664 is a wasteful number, since it uses less digits than its factorization.

947506664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110660 (or 9110656 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 947506664 is about 30781.5961899314. The cubic root of 947506664 is about 982.1867951713.

The spelling of 947506664 in words is "nine hundred forty-seven million, five hundred six thousand, six hundred sixty-four".