7870830409 has 12 divisors (see below), whose sum is σ = 8525384400. Its totient is φ = 7263223344.

The previous prime is 7870830397. The next prime is 7870830413. The reversal of 7870830409 is 9040380787.

It is not a de Polignac number, because 7870830409 - 2¹³ = 7870822217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7870830479) 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 11 ways as a sum of consecutive naturals, for example, 972622 + ... + 980680.

It is an arithmetic number, because the mean of its divisors is an integer number (710448700).

Almost surely, 2^7870830409 is an apocalyptic number.

It is an amenable number.

7870830409 is a deficient number, since it is larger than the sum of its proper divisors (654553991).

7870830409 is a wasteful number, since it uses less digits than its factorization.

7870830409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13851 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 7870830409 is about 88717.7006521247. The cubic root of 7870830409 is about 1989.1774088128.

The spelling of 7870830409 in words is "seven billion, eight hundred seventy million, eight hundred thirty thousand, four hundred nine".