947611872 has 60 divisors (see below), whose sum is σ = 2786907816. Its totient is φ = 315869760.

The previous prime is 947611867. The next prime is 947611879. The reversal of 947611872 is 278116749.

It is a happy number.

947611872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947611879) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 180204 + ... + 185387.

Almost surely, 2^947611872 is an apocalyptic number.

It is an amenable number.

947611872 is an abundant number, since it is smaller than the sum of its proper divisors (1839295944).

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

947611872 is a wasteful number, since it uses less digits than its factorization.

947611872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365613 (or 365596 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 947611872 is about 30783.3050857116. The cubic root of 947611872 is about 982.2231467482.

The spelling of 947611872 in words is "nine hundred forty-seven million, six hundred eleven thousand, eight hundred seventy-two".