853275386880 has 528 divisors, whose sum is σ = 3487984241664. Its totient is φ = 188740730880.

The previous prime is 853275386879. The next prime is 853275386897. The reversal of 853275386880 is 88683572358.

853275386880 is a `hidden beast` number, since 8 + 5 + 32 + 7 + 538 + 68 + 8 + 0 = 666.

It is a super-2 number, since 2×853275386880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9956694 + ... + 10042026.

Almost surely, 2^853275386880 is an apocalyptic number.

853275386880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853275386880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743992120832).

853275386880 is an abundant number, since it is smaller than the sum of its proper divisors (2634708854784).

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

853275386880 is a wasteful number, since it uses less digits than its factorization.

853275386880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85402 (or 85381 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 853275386880 in words is "eight hundred fifty-three billion, two hundred seventy-five million, three hundred eighty-six thousand, eight hundred eighty".