86748928131 has 4 divisors (see below), whose sum is σ = 115665237512. Its totient is φ = 57832618752.

The previous prime is 86748928127. The next prime is 86748928183. The reversal of 86748928131 is 13182984768.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86748928131 - 2² = 86748928127 is a prime.

It is a super-2 number, since 2×86748928131² (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 (86748928531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14458154686 + ... + 14458154691.

It is an arithmetic number, because the mean of its divisors is an integer number (28916309378).

Almost surely, 2^86748928131 is an apocalyptic number.

86748928131 is a deficient number, since it is larger than the sum of its proper divisors (28916309381).

86748928131 is a wasteful number, since it uses less digits than its factorization.

86748928131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28916309380.

The product of its digits is 4644864, while the sum is 57.

The spelling of 86748928131 in words is "eighty-six billion, seven hundred forty-eight million, nine hundred twenty-eight thousand, one hundred thirty-one".