86180240055 has 32 divisors (see below), whose sum is σ = 169708783104. Its totient is φ = 36366166656.

The previous prime is 86180240021. The next prime is 86180240099. The reversal of 86180240055 is 55004208168.

It is not a de Polignac number, because 86180240055 - 2⁸ = 86180239799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 86180239995 and 86180240022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31566489 + ... + 31569218.

It is an arithmetic number, because the mean of its divisors is an integer number (5303399472).

Almost surely, 2^86180240055 is an apocalyptic number.

86180240055 is a deficient number, since it is larger than the sum of its proper divisors (83528543049).

86180240055 is a wasteful number, since it uses less digits than its factorization.

86180240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63135735.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 86180240055 in words is "eighty-six billion, one hundred eighty million, two hundred forty thousand, fifty-five".