8701999 has 2 divisors, whose sum is σ = 8702000. Its totient is φ = 8701998.

The previous prime is 8701997. The next prime is 8702009. The reversal of 8701999 is 9991078.

8701999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8701999 - 2¹ = 8701997 is a prime.

Together with 8701997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8701991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350999 + 4351000.

It is an arithmetic number, because the mean of its divisors is an integer number (4351000).

Almost surely, 2^8701999 is an apocalyptic number.

8701999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8701999 is an equidigital number, since it uses as much as digits as its factorization.

8701999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 8701999 is about 2949.9150835236. The cubic root of 8701999 is about 205.6867627649.

The spelling of 8701999 in words is "eight million, seven hundred one thousand, nine hundred ninety-nine".