969388880 has 50 divisors (see below), whose sum is σ = 2292688266. Its totient is φ = 381183424.

The previous prime is 969388877. The next prime is 969388907. The reversal of 969388880 is 88883969.

It can be written as a sum of positive squares in only one way, i.e., 775511104 + 193877776 = 27848^2 + 13924^2 .

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16430291 + ... + 16430349.

Almost surely, 2^969388880 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 969388880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146344133).

969388880 is an abundant number, since it is smaller than the sum of its proper divisors (1323299386).

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

969388880 is an frugal number, since it uses more digits than its factorization.

969388880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 59.

The square root of 969388880 is about 31135.0105187071. The cubic root of 969388880 is about 989.6903701302.

The spelling of 969388880 in words is "nine hundred sixty-nine million, three hundred eighty-eight thousand, eight hundred eighty".