7889872896 has 288 divisors, whose sum is σ = 24469361280. Its totient is φ = 2442756096.

The previous prime is 7889872889. The next prime is 7889872897. The reversal of 7889872896 is 6982789887.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7889872897) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15685381 + ... + 15685883.

It is an arithmetic number, because the mean of its divisors is an integer number (84963060).

Almost surely, 2^7889872896 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 7889872896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12234680640).

7889872896 is an abundant number, since it is smaller than the sum of its proper divisors (16579488384).

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

7889872896 is a wasteful number, since it uses less digits than its factorization.

7889872896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 568 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 72.

The square root of 7889872896 is about 88824.9564930938. The cubic root of 7889872896 is about 1990.7803052560.

The spelling of 7889872896 in words is "seven billion, eight hundred eighty-nine million, eight hundred seventy-two thousand, eight hundred ninety-six".