987604541161 has 8 divisors (see below), whose sum is σ = 1128697053120. Its totient is φ = 846513566448.

The previous prime is 987604541149. The next prime is 987604541173. The reversal of 987604541161 is 161145406789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (987604541149) and next prime (987604541173).

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

It is a cyclic number.

It is not a de Polignac number, because 987604541161 - 2²¹ = 987602444009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987604541099 and 987604541108.

It is not an unprimeable number, because it can be changed into a prime (987604541101) 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, 1888410 + ... + 2353996.

It is an arithmetic number, because the mean of its divisors is an integer number (141087131640).

Almost surely, 2^987604541161 is an apocalyptic number.

It is an amenable number.

987604541161 is a deficient number, since it is larger than the sum of its proper divisors (141092511959).

987604541161 is a wasteful number, since it uses less digits than its factorization.

987604541161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768623.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 987604541161 in words is "nine hundred eighty-seven billion, six hundred four million, five hundred forty-one thousand, one hundred sixty-one".