5478765445 has 4 divisors (see below), whose sum is σ = 6574518540. Its totient is φ = 4383012352.

The previous prime is 5478765373. The next prime is 5478765451. The reversal of 5478765445 is 5445678745.

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 4034917441 + 1443848004 = 63521^2 + 37998^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478765445 - 2⁷ = 5478765317 is a prime.

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, 547876540 + ... + 547876549.

It is an arithmetic number, because the mean of its divisors is an integer number (1643629635).

Almost surely, 2^5478765445 is an apocalyptic number.

It is an amenable number.

5478765445 is a deficient number, since it is larger than the sum of its proper divisors (1095753095).

5478765445 is a wasteful number, since it uses less digits than its factorization.

5478765445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095753094.

The product of its digits is 18816000, while the sum is 55.

The square root of 5478765445 is about 74018.6830806925. The cubic root of 5478765445 is about 1762.8995597992.

The spelling of 5478765445 in words is "five billion, four hundred seventy-eight million, seven hundred sixty-five thousand, four hundred forty-five".