5381546278 has 8 divisors (see below), whose sum is σ = 8072967672. Its totient is φ = 2690557056.

The previous prime is 5381546273. The next prime is 5381546297. The reversal of 5381546278 is 8726451835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5381546278² = 57922080684511306568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381546273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74875 + ... + 127942.

It is an arithmetic number, because the mean of its divisors is an integer number (1009120959).

Almost surely, 2^5381546278 is an apocalyptic number.

5381546278 is a deficient number, since it is larger than the sum of its proper divisors (2691421394).

5381546278 is a wasteful number, since it uses less digits than its factorization.

5381546278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216086.

The product of its digits is 1612800, while the sum is 49.

The square root of 5381546278 is about 73359.0231532563. The cubic root of 5381546278 is about 1752.4098802188.

The spelling of 5381546278 in words is "five billion, three hundred eighty-one million, five hundred forty-six thousand, two hundred seventy-eight".