853284088840 has 16 divisors (see below), whose sum is σ = 1919889199980. Its totient is φ = 341313635520.

The previous prime is 853284088823. The next prime is 853284088873. The reversal of 853284088840 is 48880482358.

It can be written as a sum of positive squares in 2 ways, for example, as 813578744196 + 39705344644 = 901986^2 + 199262^2 .

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 3 ways as a sum of consecutive naturals, for example, 10666051071 + ... + 10666051150.

Almost surely, 2^853284088840 is an apocalyptic number.

It is an amenable number.

853284088840 is an abundant number, since it is smaller than the sum of its proper divisors (1066605111140).

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

853284088840 is a wasteful number, since it uses less digits than its factorization.

853284088840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332102232 (or 21332102228 counting only the distinct ones).

The product of its (nonzero) digits is 15728640, while the sum is 58.

The spelling of 853284088840 in words is "eight hundred fifty-three billion, two hundred eighty-four million, eighty-eight thousand, eight hundred forty".