7752830805 has 12 divisors (see below), whose sum is σ = 13438240140. Its totient is φ = 4134843072.

The previous prime is 7752830783. The next prime is 7752830819. The reversal of 7752830805 is 5080382577.

It can be written as a sum of positive squares in 2 ways, for example, as 5245525476 + 2507305329 = 72426^2 + 50073^2 .

It is not a de Polignac number, because 7752830805 - 2⁶ = 7752830741 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 172285129 = 7752830805 / (7 + 7 + 5 + 2 + 8 + 3 + 0 + 8 + 0 + 5).

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 86142520 + ... + 86142609.

It is an arithmetic number, because the mean of its divisors is an integer number (1119853345).

Almost surely, 2^7752830805 is an apocalyptic number.

It is an amenable number.

7752830805 is a deficient number, since it is larger than the sum of its proper divisors (5685409335).

7752830805 is a wasteful number, since it uses less digits than its factorization.

7752830805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172285140 (or 172285137 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 7752830805 is about 88050.1607323916. The cubic root of 7752830805 is about 1979.1867221625.

The spelling of 7752830805 in words is "seven billion, seven hundred fifty-two million, eight hundred thirty thousand, eight hundred five".