838828088086 has 4 divisors (see below), whose sum is σ = 1258242132132. Its totient is φ = 419414044042.

The previous prime is 838828088047. The next prime is 838828088099. The reversal of 838828088086 is 680880828838.

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

It is a super-2 number, since 2×838828088086² (a number of 25 digits) contains 22 as substring.

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, 209707022020 + ... + 209707022023.

It is an arithmetic number, because the mean of its divisors is an integer number (314560533033).

Almost surely, 2^838828088086 is an apocalyptic number.

838828088086 is a deficient number, since it is larger than the sum of its proper divisors (419414044046).

838828088086 is a wasteful number, since it uses less digits than its factorization.

838828088086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419414044045.

The product of its (nonzero) digits is 75497472, while the sum is 67.

The spelling of 838828088086 in words is "eight hundred thirty-eight billion, eight hundred twenty-eight million, eighty-eight thousand, eighty-six".