947367664 has 20 divisors (see below), whose sum is σ = 1932132040. Its totient is φ = 448752960.

The previous prime is 947367649. The next prime is 947367667. The reversal of 947367664 is 466763749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947367667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557867 + ... + 1558474.

It is an arithmetic number, because the mean of its divisors is an integer number (96606602).

Almost surely, 2^947367664 is an apocalyptic number.

It is an amenable number.

947367664 is an abundant number, since it is smaller than the sum of its proper divisors (984764376).

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

947367664 is a wasteful number, since it uses less digits than its factorization.

947367664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116368 (or 3116362 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 52.

The square root of 947367664 is about 30779.3382644917. The cubic root of 947367664 is about 982.1387636213.

It can be divided in two parts, 94736 and 7664, that added together give a square (102400 = 320²).

The spelling of 947367664 in words is "nine hundred forty-seven million, three hundred sixty-seven thousand, six hundred sixty-four".