5280171678 has 64 divisors (see below), whose sum is σ = 12538152000. Its totient is φ = 1641295872.

The previous prime is 5280171671. The next prime is 5280171697. The reversal of 5280171678 is 8761710825.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5280171671) 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 31 ways as a sum of consecutive naturals, for example, 73678 + ... + 126446.

It is an arithmetic number, because the mean of its divisors is an integer number (195908625).

Almost surely, 2^5280171678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5280171678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6269076000).

5280171678 is an abundant number, since it is smaller than the sum of its proper divisors (7257980322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5280171678 is a wasteful number, since it uses less digits than its factorization.

5280171678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52906 (or 52900 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 5280171678 is about 72664.7898090953. The cubic root of 5280171678 is about 1741.3364108782.

The spelling of 5280171678 in words is "five billion, two hundred eighty million, one hundred seventy-one thousand, six hundred seventy-eight".