86255884578544 has 40 divisors (see below), whose sum is σ = 173572341127920. Its totient is φ = 41474872320000.

The previous prime is 86255884578527. The next prime is 86255884578547. The reversal of 86255884578544 is 44587548855268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86255884578547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370194897 + ... + 370427824.

It is an arithmetic number, because the mean of its divisors is an integer number (4339308528198).

Almost surely, 2^{86255884578544} is an apocalyptic number.

It is an amenable number.

86255884578544 is an abundant number, since it is smaller than the sum of its proper divisors (87316456549376).

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

86255884578544 is a wasteful number, since it uses less digits than its factorization.

86255884578544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740623009 (or 740623003 counting only the distinct ones).

The product of its digits is 13762560000, while the sum is 79.

The spelling of 86255884578544 in words is "eighty-six trillion, two hundred fifty-five billion, eight hundred eighty-four million, five hundred seventy-eight thousand, five hundred forty-four".