9878003725 has 12 divisors (see below), whose sum is σ = 12336849280. Its totient is φ = 7845548400.

The previous prime is 9878003713. The next prime is 9878003743. The reversal of 9878003725 is 5273008789.

It is a de Polignac number, because none of the positive numbers 2^k-9878003725 is a prime.

It is a super-2 number, since 2×9878003725² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1417821 + ... + 1424770.

Almost surely, 2^9878003725 is an apocalyptic number.

It is an amenable number.

9878003725 is a deficient number, since it is larger than the sum of its proper divisors (2458845555).

9878003725 is a wasteful number, since it uses less digits than its factorization.

9878003725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842740 (or 2842735 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 9878003725 is about 99388.1468033286. The cubic root of 9878003725 is about 2145.6377189662.

The spelling of 9878003725 in words is "nine billion, eight hundred seventy-eight million, three thousand, seven hundred twenty-five".