620885353258 has 8 divisors (see below), whose sum is σ = 948900257028. Its totient is φ = 304585267584.

The previous prime is 620885353247. The next prime is 620885353259. The reversal of 620885353258 is 852353588026.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 605553217929 + 15332135329 = 778173^2 + 123823^2 .

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

It is a super-2 number, since 2×620885353258² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620885353199 and 620885353208.

It is not an unprimeable number, because it can be changed into a prime (620885353259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928704391 + ... + 2928704602.

Almost surely, 2^620885353258 is an apocalyptic number.

620885353258 is a deficient number, since it is larger than the sum of its proper divisors (328014903770).

620885353258 is a wasteful number, since it uses less digits than its factorization.

620885353258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857409048.

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 620885353258 in words is "six hundred twenty billion, eight hundred eighty-five million, three hundred fifty-three thousand, two hundred fifty-eight".