876530987 has 4 divisors (see below), whose sum is σ = 877576560. Its totient is φ = 875485416.

The previous prime is 876530981. The next prime is 876531001. The reversal of 876530987 is 789035678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789035678 = 2 ⋅394517839.

It is a cyclic number.

It is not a de Polignac number, because 876530987 - 2¹⁴ = 876514603 is a prime.

It is a super-3 number, since 3×876530987³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876530981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521528 + ... + 523205.

It is an arithmetic number, because the mean of its divisors is an integer number (219394140).

Almost surely, 2^876530987 is an apocalyptic number.

876530987 is a deficient number, since it is larger than the sum of its proper divisors (1045573).

876530987 is a wasteful number, since it uses less digits than its factorization.

876530987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045572.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 876530987 is about 29606.2660090731. The cubic root of 876530987 is about 957.0231087828.

The spelling of 876530987 in words is "eight hundred seventy-six million, five hundred thirty thousand, nine hundred eighty-seven".