838866735038 has 32 divisors (see below), whose sum is σ = 1296177590880. Its totient is φ = 406991145600.

The previous prime is 838866735019. The next prime is 838866735041. The reversal of 838866735038 is 830537668838.

It is a super-2 number, since 2×838866735038² (a number of 25 digits) contains 22 as substring.

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, 9667148 + ... + 9753536.

It is an arithmetic number, because the mean of its divisors is an integer number (40505549715).

Almost surely, 2^838866735038 is an apocalyptic number.

838866735038 is a deficient number, since it is larger than the sum of its proper divisors (457310855842).

838866735038 is a wasteful number, since it uses less digits than its factorization.

838866735038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87452.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 838866735038 in words is "eight hundred thirty-eight billion, eight hundred sixty-six million, seven hundred thirty-five thousand, thirty-eight".