987574161 has 32 divisors (see below), whose sum is σ = 1620983808. Its totient is φ = 522371520.

The previous prime is 987574129. The next prime is 987574279. The reversal of 987574161 is 161475789.

It is not a de Polignac number, because 987574161 - 2⁵ = 987574129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987574161.

It is not an unprimeable number, because it can be changed into a prime (987574111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18006 + ... + 47951.

It is an arithmetic number, because the mean of its divisors is an integer number (50655744).

Almost surely, 2^987574161 is an apocalyptic number.

It is an amenable number.

987574161 is a deficient number, since it is larger than the sum of its proper divisors (633409647).

987574161 is a wasteful number, since it uses less digits than its factorization.

987574161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66021.

The product of its digits is 423360, while the sum is 48.

The square root of 987574161 is about 31425.6926892630. The cubic root of 987574161 is about 995.8407785270.

The spelling of 987574161 in words is "nine hundred eighty-seven million, five hundred seventy-four thousand, one hundred sixty-one".