620786883 has 8 divisors (see below), whose sum is σ = 829188288. Its totient is φ = 413121704.

The previous prime is 620786843. The next prime is 620786893. The reversal of 620786883 is 388687026.

It is a happy number.

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 620786883 - 2¹⁴ = 620770499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620786833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182085 + ... + 185462.

It is an arithmetic number, because the mean of its divisors is an integer number (103648536).

Almost surely, 2^620786883 is an apocalyptic number.

620786883 is a deficient number, since it is larger than the sum of its proper divisors (208401405).

620786883 is a wasteful number, since it uses less digits than its factorization.

620786883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368113.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 620786883 is about 24915.5951765155. The cubic root of 620786883 is about 853.0624859451.

The spelling of 620786883 in words is "six hundred twenty million, seven hundred eighty-six thousand, eight hundred eighty-three".