8527742685 has 72 divisors (see below), whose sum is σ = 18757922976. Its totient is φ = 3543986880.

The previous prime is 8527742677. The next prime is 8527742731. The reversal of 8527742685 is 5862477258.

It is not a de Polignac number, because 8527742685 - 2³ = 8527742677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 151539 + ... + 200048.

It is an arithmetic number, because the mean of its divisors is an integer number (260526708).

Almost surely, 2^8527742685 is an apocalyptic number.

It is an amenable number.

8527742685 is an abundant number, since it is smaller than the sum of its proper divisors (10230180291).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8527742685 is a wasteful number, since it uses less digits than its factorization.

8527742685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351623 (or 351613 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 8527742685 is about 92345.7778406788. Note that the first 3 decimals coincide. The cubic root of 8527742685 is about 2043.0454548736.

The spelling of 8527742685 in words is "eight billion, five hundred twenty-seven million, seven hundred forty-two thousand, six hundred eighty-five".