86728870131 has 8 divisors (see below), whose sum is σ = 122440757904. Its totient is φ = 54418114560.

The previous prime is 86728870127. The next prime is 86728870133. The reversal of 86728870131 is 13107882768.

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

It is not a de Polignac number, because 86728870131 - 2² = 86728870127 is a prime.

It is a super-2 number, since 2×86728870131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1700566081 = 86728870131 / (8 + 6 + 7 + 2 + 8 + 8 + 7 + 0 + 1 + 3 + 1).

It is not an unprimeable number, because it can be changed into a prime (86728870133) 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 7 ways as a sum of consecutive naturals, for example, 850282990 + ... + 850283091.

It is an arithmetic number, because the mean of its divisors is an integer number (15305094738).

Almost surely, 2^86728870131 is an apocalyptic number.

86728870131 is a deficient number, since it is larger than the sum of its proper divisors (35711887773).

86728870131 is a wasteful number, since it uses less digits than its factorization.

86728870131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700566101.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 86728870131 in words is "eighty-six billion, seven hundred twenty-eight million, eight hundred seventy thousand, one hundred thirty-one".