7853538720 has 96 divisors (see below), whose sum is σ = 25591749120. Its totient is φ = 2022056960.

The previous prime is 7853538703. The next prime is 7853538731. The reversal of 7853538720 is 278353587.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 7853538720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268176 + ... + 296015.

It is an arithmetic number, because the mean of its divisors is an integer number (266580720).

Almost surely, 2^7853538720 is an apocalyptic number.

It is an amenable number.

7853538720 is an abundant number, since it is smaller than the sum of its proper divisors (17738210400).

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

7853538720 is a wasteful number, since it uses less digits than its factorization.

7853538720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564238 (or 564230 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 7853538720 is about 88620.1936355366. The cubic root of 7853538720 is about 1987.7196440932.

The spelling of 7853538720 in words is "seven billion, eight hundred fifty-three million, five hundred thirty-eight thousand, seven hundred twenty".