8861860605 has 48 divisors (see below), whose sum is σ = 15370278336. Its totient is φ = 4358016000.

The previous prime is 8861860597. The next prime is 8861860643. The reversal of 8861860605 is 5060681688.

It is a happy number.

It is not a de Polignac number, because 8861860605 - 2³ = 8861860597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3935730 + ... + 3937980.

It is an arithmetic number, because the mean of its divisors is an integer number (320214132).

Almost surely, 2^8861860605 is an apocalyptic number.

It is an amenable number.

8861860605 is a deficient number, since it is larger than the sum of its proper divisors (6508417731).

8861860605 is a wasteful number, since it uses less digits than its factorization.

8861860605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 8861860605 is about 94137.4559088995. The cubic root of 8861860605 is about 2069.3866265927.

The spelling of 8861860605 in words is "eight billion, eight hundred sixty-one million, eight hundred sixty thousand, six hundred five".