838892135085 has 16 divisors (see below), whose sum is σ = 1342240037376. Its totient is φ = 447404931648.

The previous prime is 838892134979. The next prime is 838892135089. The reversal of 838892135085 is 580531298838.

838892135085 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 838892135085 - 2⁹ = 838892134573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838892135089) 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, 2031012 + ... + 2408898.

It is an arithmetic number, because the mean of its divisors is an integer number (83890002336).

Almost surely, 2^838892135085 is an apocalyptic number.

It is an amenable number.

838892135085 is a deficient number, since it is larger than the sum of its proper divisors (503347902291).

838892135085 is a wasteful number, since it uses less digits than its factorization.

838892135085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525892.

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 838892135085 in words is "eight hundred thirty-eight billion, eight hundred ninety-two million, one hundred thirty-five thousand, eighty-five".