86766477255 has 24 divisors (see below), whose sum is σ = 150770309040. Its totient is φ = 46160044800.

The previous prime is 86766477233. The next prime is 86766477257. The reversal of 86766477255 is 55277466768.

86766477255 is a `hidden beast` number, since 86 + 7 + 66 + 477 + 25 + 5 = 666.

It is not a de Polignac number, because 86766477255 - 2⁵ = 86766477223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86766477192 and 86766477201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86766477257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2386125 + ... + 2422214.

It is an arithmetic number, because the mean of its divisors is an integer number (6282096210).

Almost surely, 2^86766477255 is an apocalyptic number.

86766477255 is a deficient number, since it is larger than the sum of its proper divisors (64003831785).

86766477255 is a wasteful number, since it uses less digits than its factorization.

86766477255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808751 (or 4808748 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 63.

The spelling of 86766477255 in words is "eighty-six billion, seven hundred sixty-six million, four hundred seventy-seven thousand, two hundred fifty-five".