9447077472 has 48 divisors (see below), whose sum is σ = 28341234432. Its totient is φ = 2699164800.

The previous prime is 9447077467. The next prime is 9447077489. The reversal of 9447077472 is 2747707449.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028404 + ... + 7029747.

It is an arithmetic number, because the mean of its divisors is an integer number (590442384).

Almost surely, 2^9447077472 is an apocalyptic number.

It is an amenable number.

9447077472 is an abundant number, since it is smaller than the sum of its proper divisors (18894156960).

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

9447077472 is a wasteful number, since it uses less digits than its factorization.

9447077472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058171 (or 14058163 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 51.

The square root of 9447077472 is about 97196.0774517161. The cubic root of 9447077472 is about 2113.9716508214.

The spelling of 9447077472 in words is "nine billion, four hundred forty-seven million, seventy-seven thousand, four hundred seventy-two".