7982415428 has 24 divisors (see below), whose sum is σ = 15056065752. Its totient is φ = 3681183744.

The previous prime is 7982415403. The next prime is 7982415457. The reversal of 7982415428 is 8245142897.

It can be written as a sum of positive squares in 4 ways, for example, as 180579844 + 7801835584 = 13438^2 + 88328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276 + ... + 126372.

It is an arithmetic number, because the mean of its divisors is an integer number (627336073).

Almost surely, 2^7982415428 is an apocalyptic number.

It is an amenable number.

7982415428 is a deficient number, since it is larger than the sum of its proper divisors (7073650324).

7982415428 is a wasteful number, since it uses less digits than its factorization.

7982415428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125351 (or 125349 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 7982415428 is about 89344.3642766571. The cubic root of 7982415428 is about 1998.5335440162.

The spelling of 7982415428 in words is "seven billion, nine hundred eighty-two million, four hundred fifteen thousand, four hundred twenty-eight".