620228577 has 8 divisors (see below), whose sum is σ = 835159680. Its totient is φ = 409391600.

The previous prime is 620228519. The next prime is 620228599. The reversal of 620228577 is 775822026.

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 620228577 - 2⁷ = 620228449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620228507) 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, 1023177 + ... + 1023782.

It is an arithmetic number, because the mean of its divisors is an integer number (104394960).

Almost surely, 2^620228577 is an apocalyptic number.

It is an amenable number.

620228577 is a deficient number, since it is larger than the sum of its proper divisors (214931103).

620228577 is a wasteful number, since it uses less digits than its factorization.

620228577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047063.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 620228577 is about 24904.3887096230. The cubic root of 620228577 is about 852.8066747229.

The spelling of 620228577 in words is "six hundred twenty million, two hundred twenty-eight thousand, five hundred seventy-seven".