8278643058 has 16 divisors (see below), whose sum is σ = 18922612800. Its totient is φ = 2365326576.

The previous prime is 8278643057. The next prime is 8278643059. The reversal of 8278643058 is 8503468728.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8278643057) and next prime (8278643059).

It is a super-3 number, since 3×8278643058³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8278643058.

It is not an unprimeable number, because it can be changed into a prime (8278643057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 98555233 + ... + 98555316.

It is an arithmetic number, because the mean of its divisors is an integer number (1182663300).

Almost surely, 2^8278643058 is an apocalyptic number.

8278643058 is an abundant number, since it is smaller than the sum of its proper divisors (10643969742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8278643058 is a wasteful number, since it uses less digits than its factorization.

8278643058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197110561.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 8278643058 is about 90987.0488476245. The cubic root of 8278643058 is about 2022.9557632232.

The spelling of 8278643058 in words is "eight billion, two hundred seventy-eight million, six hundred forty-three thousand, fifty-eight".