86738918544 has 60 divisors (see below), whose sum is σ = 253302793536. Its totient is φ = 27655886016.

The previous prime is 86738918543. The next prime is 86738918611. The reversal of 86738918544 is 44581983768.

86738918544 is a `hidden beast` number, since 8 + 6 + 7 + 3 + 89 + 1 + 8 + 544 = 666.

It is not an unprimeable number, because it can be changed into a prime (86738918543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13091332 + ... + 13097955.

Almost surely, 2^86738918544 is an apocalyptic number.

It is an amenable number.

86738918544 is an abundant number, since it is smaller than the sum of its proper divisors (166563874992).

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

86738918544 is a wasteful number, since it uses less digits than its factorization.

86738918544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26189324 (or 26189315 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 86738918544 in words is "eighty-six billion, seven hundred thirty-eight million, nine hundred eighteen thousand, five hundred forty-four".