8278238059 has 16 divisors (see below), whose sum is σ = 10196722368. Its totient is φ = 6544593792.

The previous prime is 8278238057. The next prime is 8278238071. The reversal of 8278238059 is 9508328728.

It is a cyclic number.

It is not a de Polignac number, because 8278238059 - 2¹ = 8278238057 is a prime.

It is a super-2 number, since 2×8278238059² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8278237997 and 8278238015.

It is not an unprimeable number, because it can be changed into a prime (8278238057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80589 + ... + 151825.

It is an arithmetic number, because the mean of its divisors is an integer number (637295148).

Almost surely, 2^8278238059 is an apocalyptic number.

8278238059 is a deficient number, since it is larger than the sum of its proper divisors (1918484309).

8278238059 is a wasteful number, since it uses less digits than its factorization.

8278238059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72534.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 8278238059 is about 90984.8232344274. The cubic root of 8278238059 is about 2022.9227743861.

The spelling of 8278238059 in words is "eight billion, two hundred seventy-eight million, two hundred thirty-eight thousand, fifty-nine".