86872853 has 4 divisors (see below), whose sum is σ = 87309600. Its totient is φ = 86436108.

The previous prime is 86872829. The next prime is 86872861. The reversal of 86872853 is 35827868.

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 a cyclic number.

It is not a de Polignac number, because 86872853 - 2⁶ = 86872789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86872798 and 86872807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86872453) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 218075 + ... + 218472.

It is an arithmetic number, because the mean of its divisors is an integer number (21827400).

Almost surely, 2^86872853 is an apocalyptic number.

It is an amenable number.

86872853 is a deficient number, since it is larger than the sum of its proper divisors (436747).

86872853 is a wasteful number, since it uses less digits than its factorization.

86872853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436746.

The product of its digits is 645120, while the sum is 47.

The square root of 86872853 is about 9320.5607663917. The cubic root of 86872853 is about 442.8887969991. Note that the first 3 decimals are identical.

The spelling of 86872853 in words is "eighty-six million, eight hundred seventy-two thousand, eight hundred fifty-three".