86644123685364 has 24 divisors (see below), whose sum is σ = 231050996494528. Its totient is φ = 24755463910080.

The previous prime is 86644123685363. The next prime is 86644123685419. The reversal of 86644123685364 is 46358632144668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86644123685295 and 86644123685304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86644123685363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515738831377 + ... + 515738831544.

Almost surely, 2^{86644123685364} is an apocalyptic number.

86644123685364 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86644123685364 is an abundant number, since it is smaller than the sum of its proper divisors (144406872809164).

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

86644123685364 is a wasteful number, since it uses less digits than its factorization.

86644123685364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031477662935 (or 1031477662933 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 66.

The spelling of 86644123685364 in words is "eighty-six trillion, six hundred forty-four billion, one hundred twenty-three million, six hundred eighty-five thousand, three hundred sixty-four".