9887151 has 8 divisors (see below), whose sum is σ = 13242880. Its totient is φ = 6561432.

The previous prime is 9887131. The next prime is 9887159. The reversal of 9887151 is 1517889.

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

It is not a de Polignac number, because 9887151 - 2⁷ = 9887023 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 (9887159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6721 + ... + 8058.

It is an arithmetic number, because the mean of its divisors is an integer number (1655360).

Almost surely, 2^9887151 is an apocalyptic number.

9887151 is a deficient number, since it is larger than the sum of its proper divisors (3355729).

9887151 is a wasteful number, since it uses less digits than its factorization.

9887151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005.

The product of its digits is 20160, while the sum is 39.

The square root of 9887151 is about 3144.3840414301. The cubic root of 9887151 is about 214.6299819111.

The spelling of 9887151 in words is "nine million, eight hundred eighty-seven thousand, one hundred fifty-one".