987971514424 has 16 divisors (see below), whose sum is σ = 1916324058600. Its totient is φ = 476951765472.

The previous prime is 987971514389. The next prime is 987971514461. The reversal of 987971514424 is 424415179789.

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, 2129248722 + ... + 2129249185.

Almost surely, 2^987971514424 is an apocalyptic number.

It is an amenable number.

987971514424 is a deficient number, since it is larger than the sum of its proper divisors (928352544176).

987971514424 is a wasteful number, since it uses less digits than its factorization.

987971514424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258497942 (or 4258497938 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 61.

The spelling of 987971514424 in words is "nine hundred eighty-seven billion, nine hundred seventy-one million, five hundred fourteen thousand, four hundred twenty-four".