987567338661 has 8 divisors (see below), whose sum is σ = 1352344463904. Its totient is φ = 640584219600.

The previous prime is 987567338629. The next prime is 987567338677. The reversal of 987567338661 is 166833765789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 987567338661 - 2⁵ = 987567338629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987567338621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4448501415 + ... + 4448501636.

It is an arithmetic number, because the mean of its divisors is an integer number (169043057988).

Almost surely, 2^987567338661 is an apocalyptic number.

It is an amenable number.

987567338661 is a deficient number, since it is larger than the sum of its proper divisors (364777125243).

987567338661 is a wasteful number, since it uses less digits than its factorization.

987567338661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897003091.

The product of its digits is 274337280, while the sum is 69.

The spelling of 987567338661 in words is "nine hundred eighty-seven billion, five hundred sixty-seven million, three hundred thirty-eight thousand, six hundred sixty-one".