87571086678 has 48 divisors (see below), whose sum is σ = 199889130480. Its totient is φ = 27631098432.

The previous prime is 87571086661. The next prime is 87571086679. The reversal of 87571086678 is 87668017578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87571086679) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 309300 + ... + 520392.

It is an arithmetic number, because the mean of its divisors is an integer number (4164356885).

Almost surely, 2^87571086678 is an apocalyptic number.

87571086678 is an abundant number, since it is smaller than the sum of its proper divisors (112318043802).

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

87571086678 is a wasteful number, since it uses less digits than its factorization.

87571086678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212333 (or 212330 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 63.

The spelling of 87571086678 in words is "eighty-seven billion, five hundred seventy-one million, eighty-six thousand, six hundred seventy-eight".