87857554532 has 18 divisors (see below), whose sum is σ = 168998726694. Its totient is φ = 39935251840.

The previous prime is 87857554517. The next prime is 87857554559. The reversal of 87857554532 is 23545575878.

It can be written as a sum of positive squares in only one way, i.e., 87127690276 + 729864256 = 295174^2 + 27016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90761453 + ... + 90762420.

Almost surely, 2^87857554532 is an apocalyptic number.

It is an amenable number.

87857554532 is a deficient number, since it is larger than the sum of its proper divisors (81141172162).

87857554532 is a wasteful number, since it uses less digits than its factorization.

87857554532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181523899 (or 181523886 counting only the distinct ones).

The product of its digits is 47040000, while the sum is 59.

The spelling of 87857554532 in words is "eighty-seven billion, eight hundred fifty-seven million, five hundred fifty-four thousand, five hundred thirty-two".