8809523901 has 16 divisors (see below), whose sum is σ = 13061563200. Its totient is φ = 5868328464.

The previous prime is 8809523873. The next prime is 8809523903. The reversal of 8809523901 is 1093259088.

It is a happy number.

8809523901 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8809523901 - 2⁶ = 8809523837 is a prime.

It is a super-2 number, since 2×8809523901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8809523903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95586 + ... + 163571.

It is an arithmetic number, because the mean of its divisors is an integer number (816347700).

Almost surely, 2^8809523901 is an apocalyptic number.

It is an amenable number.

8809523901 is a deficient number, since it is larger than the sum of its proper divisors (4252039299).

8809523901 is a wasteful number, since it uses less digits than its factorization.

8809523901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260425 (or 260419 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 8809523901 is about 93859.0640321967. The cubic root of 8809523901 is about 2065.3047603872.

The spelling of 8809523901 in words is "eight billion, eight hundred nine million, five hundred twenty-three thousand, nine hundred one".