8701687321 has 8 divisors (see below), whose sum is σ = 9053118464. Its totient is φ = 8354676960.

The previous prime is 8701687289. The next prime is 8701687363. The reversal of 8701687321 is 1237861078.

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

It is a cyclic number.

It is not a de Polignac number, because 8701687321 - 2⁵ = 8701687289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8701687391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101180 + ... + 1109053.

It is an arithmetic number, because the mean of its divisors is an integer number (1131639808).

Almost surely, 2^8701687321 is an apocalyptic number.

It is an amenable number.

8701687321 is a deficient number, since it is larger than the sum of its proper divisors (351431143).

8701687321 is a wasteful number, since it uses less digits than its factorization.

8701687321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210391.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 8701687321 is about 93282.8350823451. The cubic root of 8701687321 is about 2056.8430704528.

The spelling of 8701687321 in words is "eight billion, seven hundred one million, six hundred eighty-seven thousand, three hundred twenty-one".