987090673144 has 16 divisors (see below), whose sum is σ = 1853603512200. Its totient is φ = 492796403232.

The previous prime is 987090673133. The next prime is 987090673207. The reversal of 987090673144 is 441376090789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93611067 + ... + 93621610.

Almost surely, 2^987090673144 is an apocalyptic number.

It is an amenable number.

987090673144 is a deficient number, since it is larger than the sum of its proper divisors (866512839056).

987090673144 is a wasteful number, since it uses less digits than its factorization.

987090673144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187233342 (or 187233338 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 987090673144 in words is "nine hundred eighty-seven billion, ninety million, six hundred seventy-three thousand, one hundred forty-four".