987586141 has 4 divisors (see below), whose sum is σ = 987874300. Its totient is φ = 987297984.

The previous prime is 987586091. The next prime is 987586169. The reversal of 987586141 is 141685789.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162460516 + 825125625 = 12746^2 + 28725^2 .

It is a cyclic number.

It is not a de Polignac number, because 987586141 - 2⁷ = 987586013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987586841) 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, 138876 + ... + 145813.

It is an arithmetic number, because the mean of its divisors is an integer number (246968575).

Almost surely, 2^987586141 is an apocalyptic number.

It is an amenable number.

987586141 is a deficient number, since it is larger than the sum of its proper divisors (288159).

987586141 is a wasteful number, since it uses less digits than its factorization.

987586141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288158.

The product of its digits is 483840, while the sum is 49.

The square root of 987586141 is about 31425.8832970531. The cubic root of 987586141 is about 995.8448052708.

The spelling of 987586141 in words is "nine hundred eighty-seven million, five hundred eighty-six thousand, one hundred forty-one".