7828804260 has 36 divisors (see below), whose sum is σ = 23747373468. Its totient is φ = 2087681088.

The previous prime is 7828804253. The next prime is 7828804303. The reversal of 7828804260 is 624088287.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3554782884 + 4274021376 = 59622^2 + 65376^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7828804260² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21746499 + ... + 21746858.

It is an arithmetic number, because the mean of its divisors is an integer number (659649263).

Almost surely, 2^7828804260 is an apocalyptic number.

It is an amenable number.

7828804260 is an abundant number, since it is smaller than the sum of its proper divisors (15918569208).

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

7828804260 is a wasteful number, since it uses less digits than its factorization.

7828804260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43493372 (or 43493367 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 7828804260 is about 88480.5304007610. The cubic root of 7828804260 is about 1985.6306971451.

The spelling of 7828804260 in words is "seven billion, eight hundred twenty-eight million, eight hundred four thousand, two hundred sixty".