86388644277 has 48 divisors (see below), whose sum is σ = 138419369088. Its totient is φ = 51581577600.

The previous prime is 86388644233. The next prime is 86388644323. The reversal of 86388644277 is 77244688368.

86388644277 is a `hidden beast` number, since 86 + 38 + 86 + 442 + 7 + 7 = 666.

It is not a de Polignac number, because 86388644277 - 2¹⁴ = 86388627893 is a prime.

It is a super-3 number, since 3×86388644277³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86388644227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 702823 + ... + 816539.

It is an arithmetic number, because the mean of its divisors is an integer number (2883736856).

Almost surely, 2^86388644277 is an apocalyptic number.

It is an amenable number.

86388644277 is a deficient number, since it is larger than the sum of its proper divisors (52030724811).

86388644277 is a wasteful number, since it uses less digits than its factorization.

86388644277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113930 (or 113927 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 63.

The spelling of 86388644277 in words is "eighty-six billion, three hundred eighty-eight million, six hundred forty-four thousand, two hundred seventy-seven".