8787572 has 12 divisors (see below), whose sum is σ = 16282980. Its totient is φ = 4135296.

The previous prime is 8787563. The next prime is 8787577. The reversal of 8787572 is 2757878.

It can be written as a sum of positive squares in 2 ways, for example, as 4104676 + 4682896 = 2026^2 + 2164^2 .

It is a d-powerful number, because it can be written as 8⁴ + 7² + 8⁴ + 7² + 5⁸ + 7² + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8787577) 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, 64547 + ... + 64682.

It is an arithmetic number, because the mean of its divisors is an integer number (1356915).

Almost surely, 2^8787572 is an apocalyptic number.

It is an amenable number.

8787572 is a deficient number, since it is larger than the sum of its proper divisors (7495408).

8787572 is a wasteful number, since it uses less digits than its factorization.

8787572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129250 (or 129248 counting only the distinct ones).

The product of its digits is 219520, while the sum is 44.

The square root of 8787572 is about 2964.3839157572. The cubic root of 8787572 is about 206.3587865651.

The spelling of 8787572 in words is "eight million, seven hundred eighty-seven thousand, five hundred seventy-two".