8969735920 has 40 divisors (see below), whose sum is σ = 21527372160. Its totient is φ = 3472154880.

The previous prime is 8969735893. The next prime is 8969735921. The reversal of 8969735920 is 295379698.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969735921) 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, 1805935 + ... + 1810894.

It is an arithmetic number, because the mean of its divisors is an integer number (538184304).

Almost surely, 2^8969735920 is an apocalyptic number.

8969735920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8969735920 is an abundant number, since it is smaller than the sum of its proper divisors (12557636240).

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

8969735920 is a wasteful number, since it uses less digits than its factorization.

8969735920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616873 (or 3616867 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 8969735920 is about 94708.6897808221. The cubic root of 8969735920 is about 2077.7496557360.

The spelling of 8969735920 in words is "eight billion, nine hundred sixty-nine million, seven hundred thirty-five thousand, nine hundred twenty".