83840629206850 has 48 divisors (see below), whose sum is σ = 166971965733000. Its totient is φ = 31208884551680.

The previous prime is 83840629206823. The next prime is 83840629206853. The reversal of 83840629206850 is 5860292604838.

It can be written as a sum of positive squares in 12 ways, for example, as 9553347540801 + 74287281666049 = 3090849^2 + 8619007^2 .

It is a super-2 number, since 2×83840629206850² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83840629206853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554059375 + ... + 554210674.

Almost surely, 2^{83840629206850} is an apocalyptic number.

83840629206850 is a deficient number, since it is larger than the sum of its proper divisors (83131336526150).

83840629206850 is a wasteful number, since it uses less digits than its factorization.

83840629206850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108270167 (or 1108270162 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 83840629206850 in words is "eighty-three trillion, eight hundred forty billion, six hundred twenty-nine million, two hundred six thousand, eight hundred fifty".