8687722066 has 8 divisors (see below), whose sum is σ = 13034880000. Its totient is φ = 4342762068.

The previous prime is 8687722049. The next prime is 8687722139. The reversal of 8687722066 is 6602277868.

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

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, 539566 + ... + 555433.

It is an arithmetic number, because the mean of its divisors is an integer number (1629360000).

Almost surely, 2^8687722066 is an apocalyptic number.

8687722066 is a deficient number, since it is larger than the sum of its proper divisors (4347157934).

8687722066 is a wasteful number, since it uses less digits than its factorization.

8687722066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098968.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 8687722066 is about 93207.9506587287. The cubic root of 8687722066 is about 2055.7421453448.

The spelling of 8687722066 in words is "eight billion, six hundred eighty-seven million, seven hundred twenty-two thousand, sixty-six".