620108557 has 8 divisors (see below), whose sum is σ = 622438880. Its totient is φ = 617783760.

The previous prime is 620108551. The next prime is 620108569. The reversal of 620108557 is 755801026.

620108557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 620108557 - 2¹⁵ = 620075789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620108551) 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, 424294 + ... + 425752.

It is an arithmetic number, because the mean of its divisors is an integer number (77804860).

Almost surely, 2^620108557 is an apocalyptic number.

It is an amenable number.

620108557 is a deficient number, since it is larger than the sum of its proper divisors (2330323).

620108557 is a wasteful number, since it uses less digits than its factorization.

620108557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 620108557 is about 24901.9789775833. The cubic root of 620108557 is about 852.7516624991.

The spelling of 620108557 in words is "six hundred twenty million, one hundred eight thousand, five hundred fifty-seven".