863763125 has 10 divisors (see below), whose sum is σ = 1079359182. Its totient is φ = 691010000.

The previous prime is 863763079. The next prime is 863763163. The reversal of 863763125 is 521367368.

It can be written as a sum of positive squares in 5 ways, for example, as 419143729 + 444619396 = 20473^2 + 21086^2 .

It is not a de Polignac number, because 863763125 - 2¹⁶ = 863697589 is a prime.

It is a super-3 number, since 3×863763125³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 690386 + ... + 691635.

Almost surely, 2^863763125 is an apocalyptic number.

It is an amenable number.

863763125 is a deficient number, since it is larger than the sum of its proper divisors (215596057).

863763125 is an equidigital number, since it uses as much as digits as its factorization.

863763125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382041 (or 1382026 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 863763125 is about 29389.8473116143. The cubic root of 863763125 is about 952.3535825716.

The spelling of 863763125 in words is "eight hundred sixty-three million, seven hundred sixty-three thousand, one hundred twenty-five".