838480617839 has 16 divisors (see below), whose sum is σ = 854855285760. Its totient is φ = 822192840960.

The previous prime is 838480617773. The next prime is 838480617847. The reversal of 838480617839 is 938716084838.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-838480617839 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 (838480617239) 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, 57862907 + ... + 57877395.

It is an arithmetic number, because the mean of its divisors is an integer number (53428455360).

Almost surely, 2^838480617839 is an apocalyptic number.

838480617839 is a deficient number, since it is larger than the sum of its proper divisors (16374667921).

838480617839 is a wasteful number, since it uses less digits than its factorization.

838480617839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17410.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 838480617839 in words is "eight hundred thirty-eight billion, four hundred eighty million, six hundred seventeen thousand, eight hundred thirty-nine".