7828409793 has 8 divisors (see below), whose sum is σ = 10445443456. Its totient is φ = 5215158000.

The previous prime is 7828409777. The next prime is 7828409801. The reversal of 7828409793 is 3979048287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7828409793 - 2⁴ = 7828409777 is a prime.

It is a super-2 number, since 2×7828409793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7828409293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940633 + ... + 948918.

It is an arithmetic number, because the mean of its divisors is an integer number (1305680432).

Almost surely, 2^7828409793 is an apocalyptic number.

It is an amenable number.

7828409793 is a deficient number, since it is larger than the sum of its proper divisors (2617033663).

7828409793 is a wasteful number, since it uses less digits than its factorization.

7828409793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890935.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The square root of 7828409793 is about 88478.3012551665. The cubic root of 7828409793 is about 1985.5973468439.

The spelling of 7828409793 in words is "seven billion, eight hundred twenty-eight million, four hundred nine thousand, seven hundred ninety-three".