8592008661 has 20 divisors (see below), whose sum is σ = 13045392844. Its totient is φ = 5634100800.

The previous prime is 8592008651. The next prime is 8592008681. The reversal of 8592008661 is 1668002958.

It can be written as a sum of positive squares in 2 ways, for example, as 2553786225 + 6038222436 = 50535^2 + 77706^2 .

It is not a de Polignac number, because 8592008661 - 2¹⁵ = 8591975893 is a prime.

It is a super-2 number, since 2×8592008661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8592008651) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 864520 + ... + 874401.

Almost surely, 2^8592008661 is an apocalyptic number.

8592008661 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8592008661 is a deficient number, since it is larger than the sum of its proper divisors (4453384183).

8592008661 is a wasteful number, since it uses less digits than its factorization.

8592008661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738994 (or 1738985 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8592008661 is about 92693.0885287571. The cubic root of 8592008661 is about 2048.1648189300.

The spelling of 8592008661 in words is "eight billion, five hundred ninety-two million, eight thousand, six hundred sixty-one".