7855375253 has 4 divisors (see below), whose sum is σ = 8569500288. Its totient is φ = 7141250220.

The previous prime is 7855375217. The next prime is 7855375271. The reversal of 7855375253 is 3525735587.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7855375253 - 2¹² = 7855371157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7855375273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 357062501 + ... + 357062522.

It is an arithmetic number, because the mean of its divisors is an integer number (2142375072).

Almost surely, 2^7855375253 is an apocalyptic number.

It is an amenable number.

7855375253 is a deficient number, since it is larger than the sum of its proper divisors (714125035).

7855375253 is a wasteful number, since it uses less digits than its factorization.

7855375253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714125034.

The product of its digits is 4410000, while the sum is 50.

The square root of 7855375253 is about 88630.5548498936. The cubic root of 7855375253 is about 1987.8745733267.

The spelling of 7855375253 in words is "seven billion, eight hundred fifty-five million, three hundred seventy-five thousand, two hundred fifty-three".