87986841 has 8 divisors (see below), whose sum is σ = 121361280. Its totient is φ = 56635152.

The previous prime is 87986839. The next prime is 87986863. The reversal of 87986841 is 14868978.

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

It is not a de Polignac number, because 87986841 - 2¹ = 87986839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87986831) 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, 505585 + ... + 505758.

It is an arithmetic number, because the mean of its divisors is an integer number (15170160).

Almost surely, 2^87986841 is an apocalyptic number.

It is an amenable number.

87986841 is a deficient number, since it is larger than the sum of its proper divisors (33374439).

87986841 is a wasteful number, since it uses less digits than its factorization.

87986841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011375.

The product of its digits is 774144, while the sum is 51.

The square root of 87986841 is about 9380.1301163683. The cubic root of 87986841 is about 444.7738462859.

The spelling of 87986841 in words is "eighty-seven million, nine hundred eighty-six thousand, eight hundred forty-one".