5220406766 has 8 divisors (see below), whose sum is σ = 7831372584. Its totient is φ = 2609949240.

The previous prime is 5220406759. The next prime is 5220406777. The reversal of 5220406766 is 6676040225.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100265 + ... + 143156.

It is an arithmetic number, because the mean of its divisors is an integer number (978921573).

Almost surely, 2^5220406766 is an apocalyptic number.

5220406766 is a deficient number, since it is larger than the sum of its proper divisors (2610965818).

5220406766 is a wasteful number, since it uses less digits than its factorization.

5220406766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254146.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 5220406766 is about 72252.3824243879. The cubic root of 5220406766 is about 1734.7415523589.

The spelling of 5220406766 in words is "five billion, two hundred twenty million, four hundred six thousand, seven hundred sixty-six".