8372328552 has 72 divisors (see below), whose sum is σ = 26377117650. Its totient is φ = 2392092864.

The previous prime is 8372328551. The next prime is 8372328583. The reversal of 8372328552 is 2558232738.

8372328552 is a `hidden beast` number, since 8 + 3 + 72 + 3 + 28 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8360176356 + 12152196 = 91434^2 + 3486^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 8372328498 and 8372328507.

It is not an unprimeable number, because it can be changed into a prime (8372328551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1183027 + ... + 1190082.

Almost surely, 2^8372328552 is an apocalyptic number.

It is an amenable number.

8372328552 is an abundant number, since it is smaller than the sum of its proper divisors (18004789098).

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

8372328552 is a wasteful number, since it uses less digits than its factorization.

8372328552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373135 (or 2373121 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 8372328552 is about 91500.4292448948. The cubic root of 8372328552 is about 2030.5581025926.

The spelling of 8372328552 in words is "eight billion, three hundred seventy-two million, three hundred twenty-eight thousand, five hundred fifty-two".