8556966742 has 8 divisors (see below), whose sum is σ = 12850500096. Its totient is φ = 4273466712.

The previous prime is 8556966731. The next prime is 8556966773. The reversal of 8556966742 is 2476696558.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2506198 + ... + 2509609.

It is an arithmetic number, because the mean of its divisors is an integer number (1606312512).

Almost surely, 2^8556966742 is an apocalyptic number.

8556966742 is a deficient number, since it is larger than the sum of its proper divisors (4293533354).

8556966742 is a wasteful number, since it uses less digits than its factorization.

8556966742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016662.

The product of its digits is 21772800, while the sum is 58.

The square root of 8556966742 is about 92503.8741999491. The cubic root of 8556966742 is about 2045.3765916331.

The spelling of 8556966742 in words is "eight billion, five hundred fifty-six million, nine hundred sixty-six thousand, seven hundred forty-two".