5480172891 has 24 divisors (see below), whose sum is σ = 8192910960. Its totient is φ = 3525681600.

The previous prime is 5480172877. The next prime is 5480172899. The reversal of 5480172891 is 1982710845.

5480172891 is a `hidden beast` number, since 548 + 0 + 17 + 2 + 8 + 91 = 666.

It is not a de Polignac number, because 5480172891 - 2²² = 5475978587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5480172899) 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 23 ways as a sum of consecutive naturals, for example, 680076 + ... + 688086.

It is an arithmetic number, because the mean of its divisors is an integer number (341371290).

Almost surely, 2^5480172891 is an apocalyptic number.

5480172891 is a deficient number, since it is larger than the sum of its proper divisors (2712738069).

5480172891 is a wasteful number, since it uses less digits than its factorization.

5480172891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667 (or 10664 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 5480172891 is about 74028.1898400873. The cubic root of 5480172891 is about 1763.0505046014.

The spelling of 5480172891 in words is "five billion, four hundred eighty million, one hundred seventy-two thousand, eight hundred ninety-one".