86172463851 has 8 divisors (see below), whose sum is σ = 117698975184. Its totient is φ = 56047130880.

The previous prime is 86172463831. The next prime is 86172463963. The reversal of 86172463851 is 15836427168.

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

It is not a de Polignac number, because 86172463851 - 2⁶ = 86172463787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86172463794 and 86172463803.

It is not an unprimeable number, because it can be changed into a prime (86172463831) 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, 350294446 + ... + 350294691.

It is an arithmetic number, because the mean of its divisors is an integer number (14712371898).

Almost surely, 2^86172463851 is an apocalyptic number.

86172463851 is a deficient number, since it is larger than the sum of its proper divisors (31526511333).

86172463851 is a wasteful number, since it uses less digits than its factorization.

86172463851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700589181.

The product of its digits is 1935360, while the sum is 51.

The spelling of 86172463851 in words is "eighty-six billion, one hundred seventy-two million, four hundred sixty-three thousand, eight hundred fifty-one".