853663727148 has 24 divisors (see below), whose sum is σ = 1991902090752. Its totient is φ = 284551709904.

The previous prime is 853663727101. The next prime is 853663727159. The reversal of 853663727148 is 841727366358.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 853663727091 and 853663727100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130361 + ... + 1727727.

It is an arithmetic number, because the mean of its divisors is an integer number (82995920448).

Almost surely, 2^853663727148 is an apocalyptic number.

It is an amenable number.

853663727148 is an abundant number, since it is smaller than the sum of its proper divisors (1138238363604).

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

853663727148 is a wasteful number, since it uses less digits than its factorization.

853663727148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716461 (or 716459 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 853663727148 in words is "eight hundred fifty-three billion, six hundred sixty-three million, seven hundred twenty-seven thousand, one hundred forty-eight".