853990727280 has 80 divisors (see below), whose sum is σ = 2649124445184. Its totient is φ = 227580048640.

The previous prime is 853990727263. The next prime is 853990727299. The reversal of 853990727280 is 82727099358.

853990727280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (60).

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, 814824 + ... + 1540103.

Almost surely, 2^853990727280 is an apocalyptic number.

853990727280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

853990727280 is an abundant number, since it is smaller than the sum of its proper divisors (1795133717904).

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

853990727280 is a wasteful number, since it uses less digits than its factorization.

853990727280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356454 (or 2356448 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 853990727280 in words is "eight hundred fifty-three billion, nine hundred ninety million, seven hundred twenty-seven thousand, two hundred eighty".