620882447 has 8 divisors (see below), whose sum is σ = 656754144. Its totient is φ = 585750528.

The previous prime is 620882441. The next prime is 620882527. The reversal of 620882447 is 744288026.

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

It is a cyclic number.

It is not a de Polignac number, because 620882447 - 2⁸ = 620882191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620882441) 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 7 ways as a sum of consecutive naturals, for example, 183218 + ... + 186575.

It is an arithmetic number, because the mean of its divisors is an integer number (82094268).

Almost surely, 2^620882447 is an apocalyptic number.

620882447 is a deficient number, since it is larger than the sum of its proper divisors (35871697).

620882447 is a wasteful number, since it uses less digits than its factorization.

620882447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369889.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 620882447 is about 24917.5128574262. The cubic root of 620882447 is about 853.1062572097.

The spelling of 620882447 in words is "six hundred twenty million, eight hundred eighty-two thousand, four hundred forty-seven".