7835344385 has 24 divisors (see below), whose sum is σ = 10481436288. Its totient is φ = 5573985600.

The previous prime is 7835344369. The next prime is 7835344399. The reversal of 7835344385 is 5834435387.

It is not a de Polignac number, because 7835344385 - 2⁴ = 7835344369 is a prime.

It is a super-2 number, since 2×7835344385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4499615 + ... + 4501355.

It is an arithmetic number, because the mean of its divisors is an integer number (436726512).

Almost surely, 2^7835344385 is an apocalyptic number.

It is an amenable number.

7835344385 is a deficient number, since it is larger than the sum of its proper divisors (2646091903).

7835344385 is an equidigital number, since it uses as much as digits as its factorization.

7835344385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 1804 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The square root of 7835344385 is about 88517.4806747232. The cubic root of 7835344385 is about 1986.1834702974.

The spelling of 7835344385 in words is "seven billion, eight hundred thirty-five million, three hundred forty-four thousand, three hundred eighty-five".