86774875055 has 16 divisors (see below), whose sum is σ = 120278330784. Its totient is φ = 59396705280.

The previous prime is 86774875009. The next prime is 86774875141. The reversal of 86774875055 is 55057847768.

It is not a de Polignac number, because 86774875055 - 2¹⁰ = 86774874031 is a prime.

It is a super-2 number, since 2×86774875055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46402742 + ... + 46404611.

It is an arithmetic number, because the mean of its divisors is an integer number (7517395674).

Almost surely, 2^86774875055 is an apocalyptic number.

86774875055 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86774875055 is a deficient number, since it is larger than the sum of its proper divisors (33503455729).

86774875055 is a wasteful number, since it uses less digits than its factorization.

86774875055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92807386.

The product of its (nonzero) digits is 65856000, while the sum is 62.

The spelling of 86774875055 in words is "eighty-six billion, seven hundred seventy-four million, eight hundred seventy-five thousand, fifty-five".