87546064578 has 64 divisors (see below), whose sum is σ = 200713543680. Its totient is φ = 24937258752.

The previous prime is 87546064531. The next prime is 87546064579.

87546064578 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (87546064579) 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 31 ways as a sum of consecutive naturals, for example, 22509258 + ... + 22513146.

It is an arithmetic number, because the mean of its divisors is an integer number (3136149120).

Almost surely, 2^87546064578 is an apocalyptic number.

87546064578 is an abundant number, since it is smaller than the sum of its proper divisors (113167479102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87546064578 is a wasteful number, since it uses less digits than its factorization.

87546064578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 87546064578 in words is "eighty-seven billion, five hundred forty-six million, sixty-four thousand, five hundred seventy-eight".