987027971 has 4 divisors (see below), whose sum is σ = 987307944. Its totient is φ = 986748000.

The previous prime is 987027961. The next prime is 987027989. The reversal of 987027971 is 179720789.

987027971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179720789 = 631 ⋅284819.

It is a cyclic number.

It is not a de Polignac number, because 987027971 - 2⁶ = 987027907 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (987027901) 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, 134630 + ... + 141771.

It is an arithmetic number, because the mean of its divisors is an integer number (246826986).

Almost surely, 2^987027971 is an apocalyptic number.

987027971 is a deficient number, since it is larger than the sum of its proper divisors (279973).

987027971 is a wasteful number, since it uses less digits than its factorization.

987027971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279972.

The product of its (nonzero) digits is 444528, while the sum is 50.

The square root of 987027971 is about 31417.0013050259. The cubic root of 987027971 is about 995.6571573535.

The spelling of 987027971 in words is "nine hundred eighty-seven million, twenty-seven thousand, nine hundred seventy-one".