8528972417 has 4 divisors (see below), whose sum is σ = 9747397056. Its totient is φ = 7310547780.

The previous prime is 8528972393. The next prime is 8528972423. The reversal of 8528972417 is 7142798258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8528972417 - 2⁸ = 8528972161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8528972497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609212309 + ... + 609212322.

It is an arithmetic number, because the mean of its divisors is an integer number (2436849264).

Almost surely, 2^8528972417 is an apocalyptic number.

It is an amenable number.

8528972417 is a deficient number, since it is larger than the sum of its proper divisors (1218424639).

8528972417 is a wasteful number, since it uses less digits than its factorization.

8528972417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218424638.

The product of its digits is 2257920, while the sum is 53.

The square root of 8528972417 is about 92352.4359018212. The cubic root of 8528972417 is about 2043.1436550543.

The spelling of 8528972417 in words is "eight billion, five hundred twenty-eight million, nine hundred seventy-two thousand, four hundred seventeen".