86172006058 has 4 divisors (see below), whose sum is σ = 129258009090. Its totient is φ = 43086003028.

The previous prime is 86172006017. The next prime is 86172006101. The reversal of 86172006058 is 85060027168.

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

It can be written as a sum of positive squares in only one way, i.e., 51964393849 + 34207612209 = 227957^2 + 184953^2 .

It is a super-2 number, since 2×86172006058² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21543001513 + ... + 21543001516.

Almost surely, 2^86172006058 is an apocalyptic number.

86172006058 is a deficient number, since it is larger than the sum of its proper divisors (43086003032).

86172006058 is a wasteful number, since it uses less digits than its factorization.

86172006058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43086003031.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 86172006058 in words is "eighty-six billion, one hundred seventy-two million, six thousand, fifty-eight".