838906735830 has 32 divisors (see below), whose sum is σ = 2013400800000. Its totient is φ = 223705725792.

The previous prime is 838906735763. The next prime is 838906735837. The reversal of 838906735830 is 38537609838.

It is a super-2 number, since 2×838906735830² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838906735837) 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, 3946401 + ... + 4153539.

It is an arithmetic number, because the mean of its divisors is an integer number (62918775000).

Almost surely, 2^838906735830 is an apocalyptic number.

838906735830 is an abundant number, since it is smaller than the sum of its proper divisors (1174494064170).

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

838906735830 is a wasteful number, since it uses less digits than its factorization.

838906735830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342148.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 838906735830 in words is "eight hundred thirty-eight billion, nine hundred six million, seven hundred thirty-five thousand, eight hundred thirty".