987517413 has 10 divisors (see below), whose sum is σ = 1475180454. Its totient is φ = 658344888.

The previous prime is 987517411. The next prime is 987517439. The reversal of 987517413 is 314715789.

987517413 is a `hidden beast` number, since 98 + 7 + 517 + 41 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 596189889 + 391327524 = 24417^2 + 19782^2 .

It is not a de Polignac number, because 987517413 - 2¹ = 987517411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987517411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6095706 + ... + 6095867.

Almost surely, 2^987517413 is an apocalyptic number.

It is an amenable number.

987517413 is a deficient number, since it is larger than the sum of its proper divisors (487663041).

987517413 is a wasteful number, since it uses less digits than its factorization.

987517413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191585 (or 12191576 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 987517413 is about 31424.7897844998. The cubic root of 987517413 is about 995.8217038228.

It can be divided in two parts, 987 and 517413, that added together give a square (518400 = 720²).

The spelling of 987517413 in words is "nine hundred eighty-seven million, five hundred seventeen thousand, four hundred thirteen".