8709542612 has 12 divisors (see below), whose sum is σ = 16138270260. Its totient is φ = 4098608256.

The previous prime is 8709542609. The next prime is 8709542657. The reversal of 8709542612 is 2162459078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7031493316 + 1678049296 = 83854^2 + 40964^2 .

It is a super-2 number, since 2×8709542612² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64040687 + ... + 64040822.

It is an arithmetic number, because the mean of its divisors is an integer number (1344855855).

Almost surely, 2^8709542612 is an apocalyptic number.

It is an amenable number.

8709542612 is a deficient number, since it is larger than the sum of its proper divisors (7428727648).

8709542612 is a wasteful number, since it uses less digits than its factorization.

8709542612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128081530 (or 128081528 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 8709542612 is about 93324.9302812491. The cubic root of 8709542612 is about 2057.4618102772.

The spelling of 8709542612 in words is "eight billion, seven hundred nine million, five hundred forty-two thousand, six hundred twelve".