8973012928 has 56 divisors (see below), whose sum is σ = 19459895040. Its totient is φ = 4071217920.

The previous prime is 8973012911. The next prime is 8973012929. The reversal of 8973012928 is 8292103798.

It is a super-2 number, since 2×8973012928² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8973012929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385033 + ... + 407671.

Almost surely, 2^8973012928 is an apocalyptic number.

8973012928 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8973012928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9729947520).

8973012928 is an abundant number, since it is smaller than the sum of its proper divisors (10486882112).

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

8973012928 is a wasteful number, since it uses less digits than its factorization.

8973012928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23225 (or 23215 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 8973012928 is about 94725.9886620351. The cubic root of 8973012928 is about 2078.0026536427.

The spelling of 8973012928 in words is "eight billion, nine hundred seventy-three million, twelve thousand, nine hundred twenty-eight".