838748035426861 has 8 divisors (see below), whose sum is σ = 1009020192994880. Its totient is φ = 681088630271328.

The previous prime is 838748035426843. The next prime is 838748035426867. The reversal of 838748035426861 is 168624530847838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838748035426861 - 2²³ = 838748027038253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838748035426867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153188102976 + ... + 3153188103241.

It is an arithmetic number, because the mean of its divisors is an integer number (126127524124360).

Almost surely, 2^{838748035426861} is an apocalyptic number.

It is an amenable number.

838748035426861 is a deficient number, since it is larger than the sum of its proper divisors (170272157568019).

838748035426861 is a wasteful number, since it uses less digits than its factorization.

838748035426861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306376206243.

The product of its (nonzero) digits is 1486356480, while the sum is 73.

The spelling of 838748035426861 in words is "eight hundred thirty-eight trillion, seven hundred forty-eight billion, thirty-five million, four hundred twenty-six thousand, eight hundred sixty-one".