7828004776 has 8 divisors (see below), whose sum is σ = 14677508970. Its totient is φ = 3914002384.

The previous prime is 7828004749. The next prime is 7828004797. The reversal of 7828004776 is 6774008287.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7801482276 + 26522500 = 88326^2 + 5150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7828004776² (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 as a sum of consecutive naturals, namely, 489250291 + ... + 489250306.

Almost surely, 2^7828004776 is an apocalyptic number.

It is an amenable number.

7828004776 is a deficient number, since it is larger than the sum of its proper divisors (6849504194).

7828004776 is a wasteful number, since it uses less digits than its factorization.

7828004776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978500603 (or 978500599 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 7828004776 is about 88476.0124327493. The cubic root of 7828004776 is about 1985.5631034249.

The spelling of 7828004776 in words is "seven billion, eight hundred twenty-eight million, four thousand, seven hundred seventy-six".