9114769920 has 160 divisors (see below), whose sum is σ = 29210594688. Its totient is φ = 2424619008.

The previous prime is 9114769913. The next prime is 9114769957. The reversal of 9114769920 is 299674119.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9114769920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738942 + ... + 3741378.

Almost surely, 2^9114769920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9114769920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14605297344).

9114769920 is an abundant number, since it is smaller than the sum of its proper divisors (20095824768).

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

9114769920 is a wasteful number, since it uses less digits than its factorization.

9114769920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 9114769920 is about 95471.3041704155. The cubic root of 9114769920 is about 2088.8883934073. Note that the first 3 decimals are identical.

The spelling of 9114769920 in words is "nine billion, one hundred fourteen million, seven hundred sixty-nine thousand, nine hundred twenty".