853450880 has 128 divisors (see below), whose sum is σ = 2187924480. Its totient is φ = 317509632.

The previous prime is 853450877. The next prime is 853450883. The reversal of 853450880 is 88054358.

It is an interprime number because it is at equal distance from previous prime (853450877) and next prime (853450883).

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (853450883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543857 + ... + 545423.

It is an arithmetic number, because the mean of its divisors is an integer number (17093160).

Almost surely, 2^853450880 is an apocalyptic number.

853450880 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 853450880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093962240).

853450880 is an abundant number, since it is smaller than the sum of its proper divisors (1334473600).

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

853450880 is a wasteful number, since it uses less digits than its factorization.

853450880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 853450880 is about 29213.8816318544. The cubic root of 853450880 is about 948.5484313802.

The spelling of 853450880 in words is "eight hundred fifty-three million, four hundred fifty thousand, eight hundred eighty".