838852126851 has 4 divisors (see below), whose sum is σ = 1118469502472. Its totient is φ = 559234751232.

The previous prime is 838852126787. The next prime is 838852126859. The reversal of 838852126851 is 158621258838.

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

It is not a de Polignac number, because 838852126851 - 2⁶ = 838852126787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838852126791 and 838852126800.

It is not an unprimeable number, because it can be changed into a prime (838852126859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139808687806 + ... + 139808687811.

It is an arithmetic number, because the mean of its divisors is an integer number (279617375618).

Almost surely, 2^838852126851 is an apocalyptic number.

838852126851 is a deficient number, since it is larger than the sum of its proper divisors (279617375621).

838852126851 is a wasteful number, since it uses less digits than its factorization.

838852126851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279617375620.

The product of its digits is 7372800, while the sum is 57.

The spelling of 838852126851 in words is "eight hundred thirty-eight billion, eight hundred fifty-two million, one hundred twenty-six thousand, eight hundred fifty-one".