853938480 has 80 divisors (see below), whose sum is σ = 2762323200. Its totient is φ = 217814784.

The previous prime is 853938479. The next prime is 853938497. The reversal of 853938480 is 84839358.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 71830 + ... + 82869.

It is an arithmetic number, because the mean of its divisors is an integer number (34529040).

Almost surely, 2^853938480 is an apocalyptic number.

853938480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

853938480 is an abundant number, since it is smaller than the sum of its proper divisors (1908384720).

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

853938480 is a wasteful number, since it uses less digits than its factorization.

853938480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154738 (or 154732 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 853938480 is about 29222.2257879170. The cubic root of 853938480 is about 948.7290409392.

The spelling of 853938480 in words is "eight hundred fifty-three million, nine hundred thirty-eight thousand, four hundred eighty".