86887455012 has 144 divisors (see below), whose sum is σ = 235187971200. Its totient is φ = 26966338560.

The previous prime is 86887454963. The next prime is 86887455047. The reversal of 86887455012 is 21055478868.

86887455012 is a `hidden beast` number, since 8 + 6 + 8 + 8 + 74 + 550 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 86887455012.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 16363414 + ... + 16368722.

It is an arithmetic number, because the mean of its divisors is an integer number (1633249800).

Almost surely, 2^86887455012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86887455012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117593985600).

86887455012 is an abundant number, since it is smaller than the sum of its proper divisors (148300516188).

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

86887455012 is a wasteful number, since it uses less digits than its factorization.

86887455012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 86887455012 in words is "eighty-six billion, eight hundred eighty-seven million, four hundred fifty-five thousand, twelve".