7905869328 has 120 divisors (see below), whose sum is σ = 24400319232. Its totient is φ = 2197746432.

The previous prime is 7905869311. The next prime is 7905869351. The reversal of 7905869328 is 8239685097.

It is a super-2 number, since 2×7905869328² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 41601 + ... + 132447.

Almost surely, 2^7905869328 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 7905869328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12200159616).

7905869328 is an abundant number, since it is smaller than the sum of its proper divisors (16494449904).

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

7905869328 is a wasteful number, since it uses less digits than its factorization.

7905869328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90909 (or 90896 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 7905869328 is about 88914.9555924086. The cubic root of 7905869328 is about 1992.1248087152.

The spelling of 7905869328 in words is "seven billion, nine hundred five million, eight hundred sixty-nine thousand, three hundred twenty-eight".