5478039793 has 4 divisors (see below), whose sum is σ = 5553081508. Its totient is φ = 5402998080.

The previous prime is 5478039781. The next prime is 5478039811. The reversal of 5478039793 is 3979308745.

It is a happy number.

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 1485948304 + 3992091489 = 38548^2 + 63183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5478039793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478039703) 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, 37520748 + ... + 37520893.

It is an arithmetic number, because the mean of its divisors is an integer number (1388270377).

Almost surely, 2^5478039793 is an apocalyptic number.

It is an amenable number.

5478039793 is a deficient number, since it is larger than the sum of its proper divisors (75041715).

5478039793 is an equidigital number, since it uses as much as digits as its factorization.

5478039793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75041714.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 5478039793 is about 74013.7811019002. The cubic root of 5478039793 is about 1762.8217254716.

The spelling of 5478039793 in words is "five billion, four hundred seventy-eight million, thirty-nine thousand, seven hundred ninety-three".