86642871573 has 32 divisors (see below), whose sum is σ = 118148688000. Its totient is φ = 56461591296.

The previous prime is 86642871521. The next prime is 86642871589. The reversal of 86642871573 is 37517824668.

It is not a de Polignac number, because 86642871573 - 2¹⁰ = 86642870549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86642871373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24522115 + ... + 24525647.

It is an arithmetic number, because the mean of its divisors is an integer number (3692146500).

Almost surely, 2^86642871573 is an apocalyptic number.

It is an amenable number.

86642871573 is a deficient number, since it is larger than the sum of its proper divisors (31505816427).

86642871573 is a wasteful number, since it uses less digits than its factorization.

86642871573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341.

The product of its digits is 13547520, while the sum is 57.

The spelling of 86642871573 in words is "eighty-six billion, six hundred forty-two million, eight hundred seventy-one thousand, five hundred seventy-three".