862106873 has 4 divisors (see below), whose sum is σ = 912819060. Its totient is φ = 811394688.

The previous prime is 862106849. The next prime is 862106891. The reversal of 862106873 is 378601268.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 452327824 + 409779049 = 21268^2 + 20243^2 .

It is a cyclic number.

It is not a de Polignac number, because 862106873 - 2¹⁸ = 861844729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 862106873.

It is not an unprimeable number, because it can be changed into a prime (862106173) 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 3 ways as a sum of consecutive naturals, for example, 25356068 + ... + 25356101.

It is an arithmetic number, because the mean of its divisors is an integer number (228204765).

Almost surely, 2^862106873 is an apocalyptic number.

It is an amenable number.

862106873 is a deficient number, since it is larger than the sum of its proper divisors (50712187).

862106873 is a wasteful number, since it uses less digits than its factorization.

862106873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50712186.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 862106873 is about 29361.6565098088. The cubic root of 862106873 is about 951.7444854983.

The spelling of 862106873 in words is "eight hundred sixty-two million, one hundred six thousand, eight hundred seventy-three".