86544450055878 has 16 divisors (see below), whose sum is σ = 173096724311616. Its totient is φ = 28846845985320.

The previous prime is 86544450055859. The next prime is 86544450055883. The reversal of 86544450055878 is 87855005444568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325864528 + ... + 326130003.

It is an arithmetic number, because the mean of its divisors is an integer number (10818545269476).

Almost surely, 2^{86544450055878} is an apocalyptic number.

86544450055878 is an abundant number, since it is smaller than the sum of its proper divisors (86552274255738).

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

86544450055878 is a wasteful number, since it uses less digits than its factorization.

86544450055878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652016659.

The product of its (nonzero) digits is 860160000, while the sum is 69.

The spelling of 86544450055878 in words is "eighty-six trillion, five hundred forty-four billion, four hundred fifty million, fifty-five thousand, eight hundred seventy-eight".