86638662913 has 8 divisors (see below), whose sum is σ = 99489373920. Its totient is φ = 74617030080.

The previous prime is 86638662893. The next prime is 86638662923. The reversal of 86638662913 is 31926683668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86638662913 - 2²⁹ = 86101792001 is a prime.

It is a super-2 number, since 2×86638662913² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86638662923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207269320 + ... + 207269737.

It is an arithmetic number, because the mean of its divisors is an integer number (12436171740).

Almost surely, 2^86638662913 is an apocalyptic number.

It is an amenable number.

86638662913 is a deficient number, since it is larger than the sum of its proper divisors (12850711007).

86638662913 is a wasteful number, since it uses less digits than its factorization.

86638662913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414539087.

The product of its digits is 13436928, while the sum is 58.

The spelling of 86638662913 in words is "eighty-six billion, six hundred thirty-eight million, six hundred sixty-two thousand, nine hundred thirteen".