8251973853 has 16 divisors (see below), whose sum is σ = 11120578560. Its totient is φ = 5442449904.

The previous prime is 8251973843. The next prime is 8251973861. The reversal of 8251973853 is 3583791528.

It is a happy number.

It is not a de Polignac number, because 8251973853 - 2²⁸ = 7983538397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8251973796 and 8251973805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8251973843) 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, 308200 + ... + 333902.

It is an arithmetic number, because the mean of its divisors is an integer number (695036160).

Almost surely, 2^8251973853 is an apocalyptic number.

It is an amenable number.

8251973853 is a deficient number, since it is larger than the sum of its proper divisors (2868604707).

8251973853 is a wasteful number, since it uses less digits than its factorization.

8251973853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26848.

The product of its digits is 1814400, while the sum is 51.

The square root of 8251973853 is about 90840.3756762377. The cubic root of 8251973853 is about 2020.7811452133.

The spelling of 8251973853 in words is "eight billion, two hundred fifty-one million, nine hundred seventy-three thousand, eight hundred fifty-three".