7886115072 has 576 divisors, whose sum is σ = 27549849600. Its totient is φ = 2199674880.

The previous prime is 7886115071. The next prime is 7886115089. The reversal of 7886115072 is 2705116887.

It is a happy number.

7886115072 is a `hidden beast` number, since 7 + 88 + 61 + 1 + 507 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (7886115071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76564173 + ... + 76564275.

It is an arithmetic number, because the mean of its divisors is an integer number (47829600).

Almost surely, 2^7886115072 is an apocalyptic number.

7886115072 is a gapful number since it is divisible by the number (72) 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 7886115072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13774924800).

7886115072 is an abundant number, since it is smaller than the sum of its proper divisors (19663734528).

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

7886115072 is a wasteful number, since it uses less digits than its factorization.

7886115072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 7886115072 is about 88803.8009997320. The cubic root of 7886115072 is about 1990.4641958114.

The spelling of 7886115072 in words is "seven billion, eight hundred eighty-six million, one hundred fifteen thousand, seventy-two".