5220747878767 has 8 divisors (see below), whose sum is σ = 5408478073440. Its totient is φ = 5033531311200.

The previous prime is 5220747878677. The next prime is 5220747878789. The reversal of 5220747878767 is 7678787470225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220747878767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220747878696 and 5220747878705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220748878767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128386083 + ... + 128426740.

It is an arithmetic number, because the mean of its divisors is an integer number (676059759180).

Almost surely, 2^{5220747878767} is an apocalyptic number.

5220747878767 is a deficient number, since it is larger than the sum of its proper divisors (187730194673).

5220747878767 is a wasteful number, since it uses less digits than its factorization.

5220747878767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256813553.

The product of its (nonzero) digits is 516311040, while the sum is 70.

The spelling of 5220747878767 in words is "five trillion, two hundred twenty billion, seven hundred forty-seven million, eight hundred seventy-eight thousand, seven hundred sixty-seven".