9825997756 has 12 divisors (see below), whose sum is σ = 18206995968. Its totient is φ = 4623998912.

The previous prime is 9825997751. The next prime is 9825997777. The reversal of 9825997756 is 6577995289.

It is a junction number, because it is equal to n+sod(n) for n = 9825997691 and 9825997700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9825997751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72249916 + ... + 72250051.

It is an arithmetic number, because the mean of its divisors is an integer number (1517249664).

Almost surely, 2^9825997756 is an apocalyptic number.

It is an amenable number.

9825997756 is a deficient number, since it is larger than the sum of its proper divisors (8380998212).

9825997756 is a wasteful number, since it uses less digits than its factorization.

9825997756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144499988 (or 144499986 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 67.

The square root of 9825997756 is about 99126.1708934628. The cubic root of 9825997756 is about 2141.8656217727.

The spelling of 9825997756 in words is "nine billion, eight hundred twenty-five million, nine hundred ninety-seven thousand, seven hundred fifty-six".