5278308814631 has 4 divisors (see below), whose sum is σ = 5290064514000. Its totient is φ = 5266553115264.

The previous prime is 5278308814609. The next prime is 5278308814633. The reversal of 5278308814631 is 1364188038725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5278308814631 - 2³⁸ = 5003430907687 is a prime.

It is a super-2 number, since 2×5278308814631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278308814633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5877849011 + ... + 5877849908.

It is an arithmetic number, because the mean of its divisors is an integer number (1322516128500).

Almost surely, 2^{5278308814631} is an apocalyptic number.

5278308814631 is a deficient number, since it is larger than the sum of its proper divisors (11755699369).

5278308814631 is a wasteful number, since it uses less digits than its factorization.

5278308814631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755699368.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 5278308814631 in words is "five trillion, two hundred seventy-eight billion, three hundred eight million, eight hundred fourteen thousand, six hundred thirty-one".