9788420258 has 8 divisors (see below), whose sum is σ = 14684764752. Its totient is φ = 4893498676.

The previous prime is 9788420249. The next prime is 9788420281. The reversal of 9788420258 is 8520248879.

9788420258 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 super-2 number, since 2×9788420258² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338360 + ... + 366147.

It is an arithmetic number, because the mean of its divisors is an integer number (1835595594).

Almost surely, 2^9788420258 is an apocalyptic number.

9788420258 is a deficient number, since it is larger than the sum of its proper divisors (4896344494).

9788420258 is a wasteful number, since it uses less digits than its factorization.

9788420258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711456.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 9788420258 is about 98936.4455496558. The cubic root of 9788420258 is about 2139.1317596146.

The spelling of 9788420258 in words is "nine billion, seven hundred eighty-eight million, four hundred twenty thousand, two hundred fifty-eight".