86572873 has 4 divisors (see below), whose sum is σ = 91129360. Its totient is φ = 82016388.

The previous prime is 86572867. The next prime is 86572907. The reversal of 86572873 is 37827568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86572873 - 2¹⁷ = 86441801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86572973) 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, 2278215 + ... + 2278252.

It is an arithmetic number, because the mean of its divisors is an integer number (22782340).

Almost surely, 2^86572873 is an apocalyptic number.

It is an amenable number.

86572873 is a deficient number, since it is larger than the sum of its proper divisors (4556487).

86572873 is a wasteful number, since it uses less digits than its factorization.

86572873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556486.

The product of its digits is 564480, while the sum is 46.

The square root of 86572873 is about 9304.4544708435. The cubic root of 86572873 is about 442.3784304339.

The spelling of 86572873 in words is "eighty-six million, five hundred seventy-two thousand, eight hundred seventy-three".