7938095805 has 12 divisors (see below), whose sum is σ = 13759366140. Its totient is φ = 4233651072.

The previous prime is 7938095741. The next prime is 7938095807. The reversal of 7938095805 is 5085908397.

7938095805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4920461316 + 3017634489 = 70146^2 + 54933^2 .

It is not a de Polignac number, because 7938095805 - 2⁶ = 7938095741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938095807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88201020 + ... + 88201109.

It is an arithmetic number, because the mean of its divisors is an integer number (1146613845).

Almost surely, 2^7938095805 is an apocalyptic number.

It is an amenable number.

7938095805 is a deficient number, since it is larger than the sum of its proper divisors (5821270335).

7938095805 is a wasteful number, since it uses less digits than its factorization.

7938095805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176402140 (or 176402137 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 7938095805 is about 89095.9920815746. The cubic root of 7938095805 is about 1994.8279535806.

The spelling of 7938095805 in words is "seven billion, nine hundred thirty-eight million, ninety-five thousand, eight hundred five".