7789468685 has 4 divisors (see below), whose sum is σ = 9347362428. Its totient is φ = 6231574944.

The previous prime is 7789468679. The next prime is 7789468691. The reversal of 7789468685 is 5868649877.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5868649877 = 47 ⋅124864891.

It is an interprime number because it is at equal distance from previous prime (7789468679) and next prime (7789468691).

It can be written as a sum of positive squares in 2 ways, for example, as 4083337801 + 3706130884 = 63901^2 + 60878^2 .

It is a cyclic number.

It is not a de Polignac number, because 7789468685 - 2⁴ = 7789468669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778946864 + ... + 778946873.

It is an arithmetic number, because the mean of its divisors is an integer number (2336840607).

Almost surely, 2^7789468685 is an apocalyptic number.

It is an amenable number.

7789468685 is a deficient number, since it is larger than the sum of its proper divisors (1557893743).

7789468685 is a wasteful number, since it uses less digits than its factorization.

7789468685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557893742.

The product of its digits is 162570240, while the sum is 68.

The square root of 7789468685 is about 88257.9666942311. The cubic root of 7789468685 is about 1982.2995326166.

The spelling of 7789468685 in words is "seven billion, seven hundred eighty-nine million, four hundred sixty-eight thousand, six hundred eighty-five".