5220623728 has 10 divisors (see below), whose sum is σ = 10114958504. Its totient is φ = 2610311856.

The previous prime is 5220623693. The next prime is 5220623729. The reversal of 5220623728 is 8273260225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220623729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163144476 + ... + 163144507.

Almost surely, 2^5220623728 is an apocalyptic number.

It is an amenable number.

5220623728 is a deficient number, since it is larger than the sum of its proper divisors (4894334776).

5220623728 is a wasteful number, since it uses less digits than its factorization.

5220623728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326288991 (or 326288985 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 5220623728 is about 72253.8838264076. The cubic root of 5220623728 is about 1734.7655841888.

The spelling of 5220623728 in words is "five billion, two hundred twenty million, six hundred twenty-three thousand, seven hundred twenty-eight".