838318650761 has 8 divisors (see below), whose sum is σ = 860497839048. Its totient is φ = 816411600000.

The previous prime is 838318650733. The next prime is 838318650791. The reversal of 838318650761 is 167056813838.

It can be written as a sum of positive squares in 4 ways, for example, as 273199609225 + 565119041536 = 522685^2 + 751744^2 .

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 838318650761 - 2¹⁸ = 838318388617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838318650697 and 838318650706.

It is not an unprimeable number, because it can be changed into a prime (838318650791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68028140 + ... + 68040461.

It is an arithmetic number, because the mean of its divisors is an integer number (107562229881).

Almost surely, 2^838318650761 is an apocalyptic number.

It is an amenable number.

838318650761 is a deficient number, since it is larger than the sum of its proper divisors (22179188287).

838318650761 is a wasteful number, since it uses less digits than its factorization.

838318650761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136068763.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 838318650761 in words is "eight hundred thirty-eight billion, three hundred eighteen million, six hundred fifty thousand, seven hundred sixty-one".