87563178441 has 96 divisors (see below), whose sum is σ = 140712992640. Its totient is φ = 53778816000.

The previous prime is 87563178433. The next prime is 87563178457. The reversal of 87563178441 is 14487136578.

87563178441 is a `hidden beast` number, since 8 + 7 + 563 + 1 + 78 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 87563178441 - 2³ = 87563178433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87563178421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 168067261 + ... + 168067781.

It is an arithmetic number, because the mean of its divisors is an integer number (1465760340).

Almost surely, 2^87563178441 is an apocalyptic number.

It is an amenable number.

87563178441 is a deficient number, since it is larger than the sum of its proper divisors (53149814199).

87563178441 is a wasteful number, since it uses less digits than its factorization.

87563178441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 987 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 87563178441 in words is "eighty-seven billion, five hundred sixty-three million, one hundred seventy-eight thousand, four hundred forty-one".