868744925 has 12 divisors (see below), whose sum is σ = 1077845076. Its totient is φ = 694608000.

The previous prime is 868744907. The next prime is 868744997. The reversal of 868744925 is 529447868.

It can be written as a sum of positive squares in 6 ways, for example, as 138556441 + 730188484 = 11771^2 + 27022^2 .

It is not a de Polignac number, because 868744925 - 2⁶ = 868744861 is a prime.

It is a super-3 number, since 3×868744925³ (a number of 28 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 41225 + ... + 58625.

It is an arithmetic number, because the mean of its divisors is an integer number (89820423).

Almost surely, 2^868744925 is an apocalyptic number.

It is an amenable number.

868744925 is a deficient number, since it is larger than the sum of its proper divisors (209100151).

868744925 is a wasteful number, since it uses less digits than its factorization.

868744925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408 (or 19403 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 868744925 is about 29474.4792150769. The cubic root of 868744925 is about 954.1809905704.

The spelling of 868744925 in words is "eight hundred sixty-eight million, seven hundred forty-four thousand, nine hundred twenty-five".