7853879945 has 8 divisors (see below), whose sum is σ = 9425842944. Its totient is φ = 6282312624.

The previous prime is 7853879939. The next prime is 7853879987. The reversal of 7853879945 is 5499783587.

7853879945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7853879945 - 2¹⁸ = 7853617801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53339 + ... + 136208.

It is an arithmetic number, because the mean of its divisors is an integer number (1178230368).

Almost surely, 2^7853879945 is an apocalyptic number.

It is an amenable number.

7853879945 is a deficient number, since it is larger than the sum of its proper divisors (1571962999).

7853879945 is a wasteful number, since it uses less digits than its factorization.

7853879945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197839.

The product of its digits is 76204800, while the sum is 65.

The square root of 7853879945 is about 88622.1188248171. The cubic root of 7853879945 is about 1987.7484315327.

The spelling of 7853879945 in words is "seven billion, eight hundred fifty-three million, eight hundred seventy-nine thousand, nine hundred forty-five".