86544447535811 has 4 divisors (see below), whose sum is σ = 87117589572624. Its totient is φ = 85971305499000.

The previous prime is 86544447535807. The next prime is 86544447535817. The reversal of 86544447535811 is 11853574444568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86544447535811 - 2² = 86544447535807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86544447535817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286571018180 + ... + 286571018481.

It is an arithmetic number, because the mean of its divisors is an integer number (21779397393156).

Almost surely, 2^{86544447535811} is an apocalyptic number.

86544447535811 is a deficient number, since it is larger than the sum of its proper divisors (573142036813).

86544447535811 is a wasteful number, since it uses less digits than its factorization.

86544447535811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573142036812.

The product of its digits is 258048000, while the sum is 65.

The spelling of 86544447535811 in words is "eighty-six trillion, five hundred forty-four billion, four hundred forty-seven million, five hundred thirty-five thousand, eight hundred eleven".