87110355556487 has 4 divisors (see below), whose sum is σ = 87203322852576. Its totient is φ = 87017388260400.

The previous prime is 87110355556459. The next prime is 87110355556489. The reversal of 87110355556487 is 78465555301178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87110355556487 - 2¹⁸ = 87110355294343 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 (87110355556489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46483646639 + ... + 46483648512.

It is an arithmetic number, because the mean of its divisors is an integer number (21800830713144).

Almost surely, 2^{87110355556487} is an apocalyptic number.

87110355556487 is a deficient number, since it is larger than the sum of its proper divisors (92967296089).

87110355556487 is an equidigital number, since it uses as much as digits as its factorization.

87110355556487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92967296088.

The product of its (nonzero) digits is 141120000, while the sum is 65.

The spelling of 87110355556487 in words is "eighty-seven trillion, one hundred ten billion, three hundred fifty-five million, five hundred fifty-six thousand, four hundred eighty-seven".