9572478912 has 140 divisors (see below), whose sum is σ = 28461650976. Its totient is φ = 3181178880.

The previous prime is 9572478889. The next prime is 9572478913. The reversal of 9572478912 is 2198742759.

9572478912 is a `hidden beast` number, since 95 + 72 + 478 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9572478913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1827337 + ... + 1832567.

Almost surely, 2^9572478912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9572478912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230825488).

9572478912 is an abundant number, since it is smaller than the sum of its proper divisors (18889172064).

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

9572478912 is a wasteful number, since it uses less digits than its factorization.

9572478912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5589 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 9572478912 is about 97839.0459479241. The cubic root of 9572478912 is about 2123.2842556281.

The spelling of 9572478912 in words is "nine billion, five hundred seventy-two million, four hundred seventy-eight thousand, nine hundred twelve".