87840014487 has 8 divisors (see below), whose sum is σ = 117224315904. Its totient is φ = 58507861368.

The previous prime is 87840014453. The next prime is 87840014489. The reversal of 87840014487 is 78441004878.

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

It is not a de Polignac number, because 87840014487 - 2⁷ = 87840014359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87840014489) 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, 13033143 + ... + 13039880.

It is an arithmetic number, because the mean of its divisors is an integer number (14653039488).

Almost surely, 2^87840014487 is an apocalyptic number.

87840014487 is a deficient number, since it is larger than the sum of its proper divisors (29384301417).

87840014487 is a wasteful number, since it uses less digits than its factorization.

87840014487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074149.

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 87840014487 in words is "eighty-seven billion, eight hundred forty million, fourteen thousand, four hundred eighty-seven".