7768471164 has 96 divisors (see below), whose sum is σ = 20495462400. Its totient is φ = 2277166080.

The previous prime is 7768471163. The next prime is 7768471171. The reversal of 7768471164 is 4611748677.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768471163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162217 + ... + 204575.

It is an arithmetic number, because the mean of its divisors is an integer number (213494400).

Almost surely, 2^7768471164 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 7768471164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10247731200).

7768471164 is an abundant number, since it is smaller than the sum of its proper divisors (12726991236).

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

7768471164 is a wasteful number, since it uses less digits than its factorization.

7768471164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42443 (or 42441 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 7768471164 is about 88138.9310350426. The cubic root of 7768471164 is about 1980.5167480965.

The spelling of 7768471164 in words is "seven billion, seven hundred sixty-eight million, four hundred seventy-one thousand, one hundred sixty-four".