86700388385 has 32 divisors (see below), whose sum is σ = 116514478080. Its totient is φ = 61493241600.

The previous prime is 86700388367. The next prime is 86700388393. The reversal of 86700388385 is 58388300768.

It is a de Polignac number, because none of the positive numbers 2^k-86700388385 is a prime.

It is a super-3 number, since 3×86700388385³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 86700388385.

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 31 ways as a sum of consecutive naturals, for example, 239630 + ... + 480440.

It is an arithmetic number, because the mean of its divisors is an integer number (3641077440).

Almost surely, 2^86700388385 is an apocalyptic number.

It is an amenable number.

86700388385 is a deficient number, since it is larger than the sum of its proper divisors (29814089695).

86700388385 is a wasteful number, since it uses less digits than its factorization.

86700388385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241049.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 86700388385 in words is "eighty-six billion, seven hundred million, three hundred eighty-eight thousand, three hundred eighty-five".