7620809347 has 2 divisors, whose sum is σ = 7620809348. Its totient is φ = 7620809346.

The previous prime is 7620809309. The next prime is 7620809393. The reversal of 7620809347 is 7439080267.

It is an a-pointer prime, because the next prime (7620809393) can be obtained adding 7620809347 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7620809347 - 2¹⁹ = 7620285059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7620809297 and 7620809306.

It is not a weakly prime, because it can be changed into another prime (7620899347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810404673 + 3810404674.

It is an arithmetic number, because the mean of its divisors is an integer number (3810404674).

Almost surely, 2^7620809347 is an apocalyptic number.

7620809347 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620809347 is an equidigital number, since it uses as much as digits as its factorization.

7620809347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 7620809347 is about 87297.2470757240. The cubic root of 7620809347 is about 1967.8879463756.

The spelling of 7620809347 in words is "seven billion, six hundred twenty million, eight hundred nine thousand, three hundred forty-seven".