838638959088 has 80 divisors (see below), whose sum is σ = 2555852097536. Its totient is φ = 231881736960.

The previous prime is 838638959071. The next prime is 838638959167. The reversal of 838638959088 is 880959836838.

838638959088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40246831 + ... + 40267662.

Almost surely, 2^838638959088 is an apocalyptic number.

It is an amenable number.

838638959088 is an abundant number, since it is smaller than the sum of its proper divisors (1717213138448).

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

838638959088 is a wasteful number, since it uses less digits than its factorization.

838638959088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80514542 (or 80514536 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 75.

The spelling of 838638959088 in words is "eight hundred thirty-eight billion, six hundred thirty-eight million, nine hundred fifty-nine thousand, eighty-eight".