9047771616 has 192 divisors, whose sum is σ = 26771508288. Its totient is φ = 2656862208.

The previous prime is 9047771587. The next prime is 9047771627. The reversal of 9047771616 is 6161777409.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2445480 + ... + 2449176.

It is an arithmetic number, because the mean of its divisors is an integer number (139434939).

Almost surely, 2^9047771616 is an apocalyptic number.

9047771616 is a gapful number since it is divisible by the number (96) 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 9047771616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13385754144).

9047771616 is an abundant number, since it is smaller than the sum of its proper divisors (17723736672).

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

9047771616 is a wasteful number, since it uses less digits than its factorization.

9047771616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 9047771616 is about 95119.7751048645. The cubic root of 9047771616 is about 2083.7576625653.

The spelling of 9047771616 in words is "nine billion, forty-seven million, seven hundred seventy-one thousand, six hundred sixteen".