87001027 has 4 divisors (see below), whose sum is σ = 87322336. Its totient is φ = 86679720.

The previous prime is 87001021. The next prime is 87001039. The reversal of 87001027 is 72010078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87001027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87000992 and 87001010.

It is not an unprimeable number, because it can be changed into a prime (87001021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160248 + ... + 160789.

It is an arithmetic number, because the mean of its divisors is an integer number (21830584).

Almost surely, 2^87001027 is an apocalyptic number.

87001027 is a deficient number, since it is larger than the sum of its proper divisors (321309).

87001027 is a wasteful number, since it uses less digits than its factorization.

87001027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321308.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 87001027 is about 9327.4341059050. The cubic root of 87001027 is about 443.1065057203.

The spelling of 87001027 in words is "eighty-seven million, one thousand, twenty-seven".