8725572505 has 16 divisors (see below), whose sum is σ = 11278096704. Its totient is φ = 6442372800.

The previous prime is 8725572469. The next prime is 8725572529. The reversal of 8725572505 is 5052755278.

It is not a de Polignac number, because 8725572505 - 2⁷ = 8725572377 is a prime.

It is a super-2 number, since 2×8725572505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633502 + ... + 647128.

It is an arithmetic number, because the mean of its divisors is an integer number (704881044).

Almost surely, 2^8725572505 is an apocalyptic number.

It is an amenable number.

8725572505 is a deficient number, since it is larger than the sum of its proper divisors (2552524199).

8725572505 is a wasteful number, since it uses less digits than its factorization.

8725572505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23496.

The product of its (nonzero) digits is 980000, while the sum is 46.

The square root of 8725572505 is about 93410.7729600821. The cubic root of 8725572505 is about 2058.7232879096.

The spelling of 8725572505 in words is "eight billion, seven hundred twenty-five million, five hundred seventy-two thousand, five hundred five".