86647138785244 has 48 divisors (see below), whose sum is σ = 153101929752576. Its totient is φ = 42905894240000.

The previous prime is 86647138785217. The next prime is 86647138785253. The reversal of 86647138785244 is 44258783174668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434629332 + ... + 434828644.

It is an arithmetic number, because the mean of its divisors is an integer number (3189623536512).

Almost surely, 2^{86647138785244} is an apocalyptic number.

It is an amenable number.

86647138785244 is a deficient number, since it is larger than the sum of its proper divisors (66454790967332).

86647138785244 is a wasteful number, since it uses less digits than its factorization.

86647138785244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202026 (or 202024 counting only the distinct ones).

The product of its digits is 1734082560, while the sum is 73.

The spelling of 86647138785244 in words is "eighty-six trillion, six hundred forty-seven billion, one hundred thirty-eight million, seven hundred eighty-five thousand, two hundred forty-four".