8255404838 has 4 divisors (see below), whose sum is σ = 12383107260. Its totient is φ = 4127702418.

The previous prime is 8255404793. The next prime is 8255404841. The reversal of 8255404838 is 8384045528.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8255404792 and 8255404801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063851208 + ... + 2063851211.

It is an arithmetic number, because the mean of its divisors is an integer number (3095776815).

Almost surely, 2^8255404838 is an apocalyptic number.

8255404838 is a deficient number, since it is larger than the sum of its proper divisors (4127702422).

8255404838 is a wasteful number, since it uses less digits than its factorization.

8255404838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127702421.

The product of its (nonzero) digits is 1228800, while the sum is 47.

The square root of 8255404838 is about 90859.2584055142. The cubic root of 8255404838 is about 2021.0611715134.

The spelling of 8255404838 in words is "eight billion, two hundred fifty-five million, four hundred four thousand, eight hundred thirty-eight".