10987487 has 8 divisors (see below), whose sum is σ = 12682272. Its totient is φ = 9324000.

The previous prime is 10987477. The next prime is 10987499. The reversal of 10987487 is 78478901.

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

It is not a de Polignac number, because 10987487 - 2¹⁰ = 10986463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987447) 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 7 ways as a sum of consecutive naturals, for example, 7064 + ... + 8477.

It is an arithmetic number, because the mean of its divisors is an integer number (1585284).

Almost surely, 2^10987487 is an apocalyptic number.

10987487 is a deficient number, since it is larger than the sum of its proper divisors (1694785).

10987487 is a wasteful number, since it uses less digits than its factorization.

10987487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 10987487 is about 3314.7378478546. The cubic root of 10987487 is about 222.3136477791.

The spelling of 10987487 in words is "ten million, nine hundred eighty-seven thousand, four hundred eighty-seven".