9877725252 has 24 divisors (see below), whose sum is σ = 25608917600. Its totient is φ = 3292575048.

The previous prime is 9877725251. The next prime is 9877725259. The reversal of 9877725252 is 2525277789.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9877725251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45730102 + ... + 45730317.

Almost surely, 2^9877725252 is an apocalyptic number.

It is an amenable number.

9877725252 is an abundant number, since it is smaller than the sum of its proper divisors (15731192348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9877725252 is a wasteful number, since it uses less digits than its factorization.

9877725252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91460432 (or 91460424 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 9877725252 is about 99386.7458567791. The cubic root of 9877725252 is about 2145.6175560600.

The spelling of 9877725252 in words is "nine billion, eight hundred seventy-seven million, seven hundred twenty-five thousand, two hundred fifty-two".