7895744164 has 81 divisors (see below), whose sum is σ = 17698215969. Its totient is φ = 3070932480.

The previous prime is 7895744161. The next prime is 7895744209. The reversal of 7895744164 is 4614475987.

The square root of 7895744164 is 88858.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7841102500 + 54641664 = 88550^2 + 7392^2 .

It is not an unprimeable number, because it can be changed into a prime (7895744161) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13683844 + ... + 13684420.

Almost surely, 2^7895744164 is an apocalyptic number.

7895744164 is the 88858-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7895744164

7895744164 is an abundant number, since it is smaller than the sum of its proper divisors (9802471805).

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

7895744164 is a wasteful number, since it uses less digits than its factorization.

7895744164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 597 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The cubic root of 7895744164 is about 1991.2739974754.

The spelling of 7895744164 in words is "seven billion, eight hundred ninety-five million, seven hundred forty-four thousand, one hundred sixty-four".