86555582749999 has 16 divisors (see below), whose sum is σ = 102105846176256. Its totient is φ = 72482545110400.

The previous prime is 86555582749981. The next prime is 86555582750027. The reversal of 86555582749999 is 99994728555568.

It is a cyclic number.

It is not a de Polignac number, because 86555582749999 - 2⁹ = 86555582749487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86555582749939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4924077157 + ... + 4924094734.

It is an arithmetic number, because the mean of its divisors is an integer number (6381615386016).

Almost surely, 2^{86555582749999} is an apocalyptic number.

86555582749999 is a deficient number, since it is larger than the sum of its proper divisors (15550263426257).

86555582749999 is a wasteful number, since it uses less digits than its factorization.

86555582749999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848171966.

The product of its digits is 88179840000, while the sum is 91.

The spelling of 86555582749999 in words is "eighty-six trillion, five hundred fifty-five billion, five hundred eighty-two million, seven hundred forty-nine thousand, nine hundred ninety-nine".