838586894690 has 8 divisors (see below), whose sum is σ = 1509456410460. Its totient is φ = 335434757872.

The previous prime is 838586894683. The next prime is 838586894713. The reversal of 838586894690 is 96498685838.

838586894690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 838519309849 + 67584841 = 915707^2 + 8221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×838586894690² (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 3 ways as a sum of consecutive naturals, for example, 41929344725 + ... + 41929344744.

Almost surely, 2^838586894690 is an apocalyptic number.

838586894690 is a deficient number, since it is larger than the sum of its proper divisors (670869515770).

838586894690 is a wasteful number, since it uses less digits than its factorization.

838586894690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83858689476.

The product of its (nonzero) digits is 716636160, while the sum is 74.

The spelling of 838586894690 in words is "eight hundred thirty-eight billion, five hundred eighty-six million, eight hundred ninety-four thousand, six hundred ninety".