7926287328 has 144 divisors (see below), whose sum is σ = 23328055296. Its totient is φ = 2550216960.

The previous prime is 7926287273. The next prime is 7926287333. The reversal of 7926287328 is 8237826297.

7926287328 is a `hidden beast` number, since 7 + 9 + 2 + 628 + 7 + 3 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-4 number, since 4×7926287328⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4347025 + ... + 4348847.

It is an arithmetic number, because the mean of its divisors is an integer number (162000384).

Almost surely, 2^7926287328 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 7926287328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11664027648).

7926287328 is an abundant number, since it is smaller than the sum of its proper divisors (15401767968).

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

7926287328 is a wasteful number, since it uses less digits than its factorization.

7926287328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357 (or 2346 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7926287328 is about 89029.6991346146. The cubic root of 7926287328 is about 1993.8383136387.

The spelling of 7926287328 in words is "seven billion, nine hundred twenty-six million, two hundred eighty-seven thousand, three hundred twenty-eight".