9779272704 has 264 divisors, whose sum is σ = 29245701888. Its totient is φ = 3145605120.

The previous prime is 9779272703. The next prime is 9779272717. The reversal of 9779272704 is 4072729779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9779272703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46347159 + ... + 46347369.

Almost surely, 2^9779272704 is an apocalyptic number.

9779272704 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9779272704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14622850944).

9779272704 is an abundant number, since it is smaller than the sum of its proper divisors (19466429184).

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

9779272704 is a wasteful number, since it uses less digits than its factorization.

9779272704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The square root of 9779272704 is about 98890.2052986038. The cubic root of 9779272704 is about 2138.4651923342.

The spelling of 9779272704 in words is "nine billion, seven hundred seventy-nine million, two hundred seventy-two thousand, seven hundred four".