8725938388 has 12 divisors (see below), whose sum is σ = 15349514740. Its totient is φ = 4340362752.

The previous prime is 8725938367. The next prime is 8725938413. The reversal of 8725938388 is 8838395278.

It can be written as a sum of positive squares in 2 ways, for example, as 1602240784 + 7123697604 = 40028^2 + 84402^2 .

It is a super-2 number, since 2×8725938388² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5650743 + ... + 5652286.

Almost surely, 2^8725938388 is an apocalyptic number.

It is an amenable number.

8725938388 is a deficient number, since it is larger than the sum of its proper divisors (6623576352).

8725938388 is a wasteful number, since it uses less digits than its factorization.

8725938388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303226 (or 11303224 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The square root of 8725938388 is about 93412.7314020953. The cubic root of 8725938388 is about 2058.7520631494.

The spelling of 8725938388 in words is "eight billion, seven hundred twenty-five million, nine hundred thirty-eight thousand, three hundred eighty-eight".