853335644628 has 48 divisors (see below), whose sum is σ = 1992910772160. Its totient is φ = 284189009664.

The previous prime is 853335644611. The next prime is 853335644633. The reversal of 853335644628 is 826446533358.

It is a happy number.

853335644628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109160176 + ... + 109167992.

It is an arithmetic number, because the mean of its divisors is an integer number (41518974420).

Almost surely, 2^853335644628 is an apocalyptic number.

It is an amenable number.

853335644628 is an abundant number, since it is smaller than the sum of its proper divisors (1139575127532).

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

853335644628 is a wasteful number, since it uses less digits than its factorization.

853335644628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856 (or 14854 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 57.

The spelling of 853335644628 in words is "eight hundred fifty-three billion, three hundred thirty-five million, six hundred forty-four thousand, six hundred twenty-eight".