8772532785 has 48 divisors (see below), whose sum is σ = 15354767376. Its totient is φ = 4633035264.

The previous prime is 8772532711. The next prime is 8772532789. The reversal of 8772532785 is 5872352778.

It can be written as a sum of positive squares in 8 ways, for example, as 687645729 + 8084887056 = 26223^2 + 89916^2 .

It is not a de Polignac number, because 8772532785 - 2¹⁵ = 8772500017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8772532789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2237647 + ... + 2241563.

It is an arithmetic number, because the mean of its divisors is an integer number (319890987).

Almost surely, 2^8772532785 is an apocalyptic number.

It is an amenable number.

8772532785 is a deficient number, since it is larger than the sum of its proper divisors (6582234591).

8772532785 is a wasteful number, since it uses less digits than its factorization.

8772532785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402 (or 4399 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 8772532785 is about 93661.8000307489. The cubic root of 8772532785 is about 2062.4099724891.

The spelling of 8772532785 in words is "eight billion, seven hundred seventy-two million, five hundred thirty-two thousand, seven hundred eighty-five".