1679875853 has 4 divisors (see below), whose sum is σ = 1680520380. Its totient is φ = 1679231328.

The previous prime is 1679875793. The next prime is 1679875891. The reversal of 1679875853 is 3585789761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3585789761 = 23893 ⋅150077.

It can be written as a sum of positive squares in 2 ways, for example, as 882208804 + 797667049 = 29702^2 + 28243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679875853 - 2⁸ = 1679875597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1679875792 and 1679875801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679875753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318338 + ... + 323571.

It is an arithmetic number, because the mean of its divisors is an integer number (420130095).

Almost surely, 2^1679875853 is an apocalyptic number.

It is an amenable number.

1679875853 is a deficient number, since it is larger than the sum of its proper divisors (644527).

1679875853 is an equidigital number, since it uses as much as digits as its factorization.

1679875853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644526.

The product of its digits is 12700800, while the sum is 59.

The square root of 1679875853 is about 40986.2885975298. The cubic root of 1679875853 is about 1188.7551072885.

The spelling of 1679875853 in words is "one billion, six hundred seventy-nine million, eight hundred seventy-five thousand, eight hundred fifty-three".