87555447263 has 8 divisors (see below), whose sum is σ = 89216478000. Its totient is φ = 85894751488.

The previous prime is 87555447247. The next prime is 87555447323. The reversal of 87555447263 is 36274455578.

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

It is a cyclic number.

It is not a de Polignac number, because 87555447263 - 2⁴ = 87555447247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87555447199 and 87555447208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87555447163) 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, 479588 + ... + 636486.

It is an arithmetic number, because the mean of its divisors is an integer number (11152059750).

Almost surely, 2^87555447263 is an apocalyptic number.

87555447263 is a deficient number, since it is larger than the sum of its proper divisors (1661030737).

87555447263 is a wasteful number, since it uses less digits than its factorization.

87555447263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167481.

The product of its digits is 28224000, while the sum is 56.

The spelling of 87555447263 in words is "eighty-seven billion, five hundred fifty-five million, four hundred forty-seven thousand, two hundred sixty-three".