838013128104 has 32 divisors (see below), whose sum is σ = 2102596132320. Its totient is φ = 278329267776.

The previous prime is 838013128097. The next prime is 838013128111. The reversal of 838013128104 is 401821310838.

838013128104 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 an interprime number because it is at equal distance from previous prime (838013128097) and next prime (838013128111).

It is a super-2 number, since 2×838013128104² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63020814 + ... + 63034109.

It is an arithmetic number, because the mean of its divisors is an integer number (65706129135).

Almost surely, 2^838013128104 is an apocalyptic number.

It is an amenable number.

838013128104 is an abundant number, since it is smaller than the sum of its proper divisors (1264583004216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838013128104 is a wasteful number, since it uses less digits than its factorization.

838013128104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126055209 (or 126055205 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 838013128104 in words is "eight hundred thirty-eight billion, thirteen million, one hundred twenty-eight thousand, one hundred four".