5947378397 has 4 divisors (see below), whose sum is σ = 5947657020. Its totient is φ = 5947099776.

The previous prime is 5947378391. The next prime is 5947378439. The reversal of 5947378397 is 7938737495.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2636411716 + 3310966681 = 51346^2 + 57541^2 .

It is a cyclic number.

It is not a de Polignac number, because 5947378397 - 2¹⁴ = 5947362013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5947378391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104372 + ... + 150957.

It is an arithmetic number, because the mean of its divisors is an integer number (1486914255).

Almost surely, 2^5947378397 is an apocalyptic number.

It is an amenable number.

5947378397 is a deficient number, since it is larger than the sum of its proper divisors (278623).

5947378397 is a wasteful number, since it uses less digits than its factorization.

5947378397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278622.

The product of its digits is 40007520, while the sum is 62.

The square root of 5947378397 is about 77119.2479021937. The cubic root of 5947378397 is about 1811.7927758587.

The spelling of 5947378397 in words is "five billion, nine hundred forty-seven million, three hundred seventy-eight thousand, three hundred ninety-seven".