5480147781 has 24 divisors (see below), whose sum is σ = 8121184344. Its totient is φ = 3558896640.

The previous prime is 5480147749. The next prime is 5480147819. The reversal of 5480147781 is 1877410845.

It can be written as a sum of positive squares in 4 ways, for example, as 415548225 + 5064599556 = 20385^2 + 71166^2 .

It is not a de Polignac number, because 5480147781 - 2⁵ = 5480147749 is a prime.

It is a super-2 number, since 2×5480147781² = 60064039403198447922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5480147581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238845 + ... + 260781.

It is an arithmetic number, because the mean of its divisors is an integer number (338382681).

Almost surely, 2^5480147781 is an apocalyptic number.

It is an amenable number.

5480147781 is a deficient number, since it is larger than the sum of its proper divisors (2641036563).

5480147781 is a wasteful number, since it uses less digits than its factorization.

5480147781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661 (or 22658 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 5480147781 is about 74028.0202423380. The cubic root of 5480147781 is about 1763.0478118478.

The spelling of 5480147781 in words is "five billion, four hundred eighty million, one hundred forty-seven thousand, seven hundred eighty-one".