853354672722 has 24 divisors (see below), whose sum is σ = 1857080221776. Its totient is φ = 283198465656.

The previous prime is 853354672721. The next prime is 853354672777. The reversal of 853354672722 is 227276453358.

853354672722 is a `hidden beast` number, since 8 + 5 + 3 + 3 + 546 + 72 + 7 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (853354672721) 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 11 ways as a sum of consecutive naturals, for example, 104420128 + ... + 104428299.

It is an arithmetic number, because the mean of its divisors is an integer number (77378342574).

Almost surely, 2^853354672722 is an apocalyptic number.

853354672722 is an abundant number, since it is smaller than the sum of its proper divisors (1003725549054).

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

853354672722 is a wasteful number, since it uses less digits than its factorization.

853354672722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208848662 (or 208848659 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 853354672722 in words is "eight hundred fifty-three billion, three hundred fifty-four million, six hundred seventy-two thousand, seven hundred twenty-two".