5471365978 has 8 divisors (see below), whose sum is σ = 8838360468. Its totient is φ = 2525245824.

The previous prime is 5471365957. The next prime is 5471365979. The reversal of 5471365978 is 8795631745.

It can be written as a sum of positive squares in 2 ways, for example, as 5409161209 + 62204769 = 73547^2 + 7887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5471365979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105218551 + ... + 105218602.

Almost surely, 2^5471365978 is an apocalyptic number.

5471365978 is a deficient number, since it is larger than the sum of its proper divisors (3366994490).

5471365978 is a wasteful number, since it uses less digits than its factorization.

5471365978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210437168.

The product of its digits is 6350400, while the sum is 55.

The square root of 5471365978 is about 73968.6824135728. The cubic root of 5471365978 is about 1762.1055613350.

The spelling of 5471365978 in words is "five billion, four hundred seventy-one million, three hundred sixty-five thousand, nine hundred seventy-eight".