86911365540 has 48 divisors (see below), whose sum is σ = 246779326080. Its totient is φ = 22849935360.

The previous prime is 86911365503. The next prime is 86911365551. The reversal of 86911365540 is 4556311968.

It is a self number, because there is not a number n which added to its sum of digits gives 86911365540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10196605 + ... + 10205124.

It is an arithmetic number, because the mean of its divisors is an integer number (5141235960).

Almost surely, 2^86911365540 is an apocalyptic number.

It is an amenable number.

86911365540 is an abundant number, since it is smaller than the sum of its proper divisors (159867960540).

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

86911365540 is a wasteful number, since it uses less digits than its factorization.

86911365540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401812 (or 20401810 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 86911365540 in words is "eighty-six billion, nine hundred eleven million, three hundred sixty-five thousand, five hundred forty".