7839354828 has 12 divisors (see below), whose sum is σ = 18291827960. Its totient is φ = 2613118272.

The previous prime is 7839354797. The next prime is 7839354829. The reversal of 7839354828 is 8284539387.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7839354828² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7839354829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326639773 + ... + 326639796.

Almost surely, 2^7839354828 is an apocalyptic number.

It is an amenable number.

7839354828 is an abundant number, since it is smaller than the sum of its proper divisors (10452473132).

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

7839354828 is a wasteful number, since it uses less digits than its factorization.

7839354828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653279576 (or 653279574 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The square root of 7839354828 is about 88540.1311722543. The cubic root of 7839354828 is about 1986.5222819086.

The spelling of 7839354828 in words is "seven billion, eight hundred thirty-nine million, three hundred fifty-four thousand, eight hundred twenty-eight".