863761925 has 48 divisors (see below), whose sum is σ = 1231921152. Its totient is φ = 595123200.

The previous prime is 863761901. The next prime is 863761933. The reversal of 863761925 is 529167368.

It is not a de Polignac number, because 863761925 - 2⁶ = 863761861 is a prime.

It is a super-3 number, since 3×863761925³ (a number of 28 digits) contains 333 as substring.

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 863761925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 701060 + ... + 702290.

It is an arithmetic number, because the mean of its divisors is an integer number (25665024).

Almost surely, 2^863761925 is an apocalyptic number.

863761925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

863761925 is a deficient number, since it is larger than the sum of its proper divisors (368159227).

863761925 is a wasteful number, since it uses less digits than its factorization.

863761925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1393 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 863761925 is about 29389.8268963939. The cubic root of 863761925 is about 952.3531415460.

The spelling of 863761925 in words is "eight hundred sixty-three million, seven hundred sixty-one thousand, nine hundred twenty-five".