8725863 has 4 divisors (see below), whose sum is σ = 11634488. Its totient is φ = 5817240.

The previous prime is 8725841. The next prime is 8725877. The reversal of 8725863 is 3685278.

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

It is not a de Polignac number, because 8725863 - 2⁵ = 8725831 is a prime.

It is a super-2 number, since 2×8725863² = 152281370189538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 7⁸ + 2¹⁹ + 5³ + 8⁷ + 6⁷ + 3¹⁰ .

It is a Duffinian number.

8725863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454308 + ... + 1454313.

It is an arithmetic number, because the mean of its divisors is an integer number (2908622).

Almost surely, 2^8725863 is an apocalyptic number.

8725863 is a deficient number, since it is larger than the sum of its proper divisors (2908625).

8725863 is a wasteful number, since it uses less digits than its factorization.

8725863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908624.

The product of its digits is 80640, while the sum is 39.

The square root of 8725863 is about 2953.9571763991. The cubic root of 8725863 is about 205.8746134249.

The spelling of 8725863 in words is "eight million, seven hundred twenty-five thousand, eight hundred sixty-three".