8767125521 has 24 divisors (see below), whose sum is σ = 11711201760. Its totient is φ = 6471964800.

The previous prime is 8767125503. The next prime is 8767125527. The reversal of 8767125521 is 1255217678.

It is not a de Polignac number, because 8767125521 - 2²⁶ = 8700016657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8767125527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417800 + ... + 438281.

It is an arithmetic number, because the mean of its divisors is an integer number (487966740).

Almost surely, 2^8767125521 is an apocalyptic number.

It is an amenable number.

8767125521 is a deficient number, since it is larger than the sum of its proper divisors (2944076239).

8767125521 is a wasteful number, since it uses less digits than its factorization.

8767125521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856125 (or 856118 counting only the distinct ones).

The product of its digits is 235200, while the sum is 44.

The square root of 8767125521 is about 93632.9296828845. The cubic root of 8767125521 is about 2061.9861387053.

The spelling of 8767125521 in words is "eight billion, seven hundred sixty-seven million, one hundred twenty-five thousand, five hundred twenty-one".