7904266512 has 80 divisors (see below), whose sum is σ = 20957408640. Its totient is φ = 2566061056.

The previous prime is 7904266441. The next prime is 7904266519. The reversal of 7904266512 is 2156624097.

It is a super-2 number, since 2×7904266512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7904266519) 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 15 ways as a sum of consecutive naturals, for example, 337189 + ... + 359867.

It is an arithmetic number, because the mean of its divisors is an integer number (261967608).

Almost surely, 2^7904266512 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 7904266512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10478704320).

7904266512 is an abundant number, since it is smaller than the sum of its proper divisors (13053142128).

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

7904266512 is a wasteful number, since it uses less digits than its factorization.

7904266512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880 (or 22874 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 7904266512 is about 88905.9419386578. The cubic root of 7904266512 is about 1991.9901734971.

The spelling of 7904266512 in words is "seven billion, nine hundred four million, two hundred sixty-six thousand, five hundred twelve".