7872793685 has 8 divisors (see below), whose sum is σ = 9534026040. Its totient is φ = 6240452544.

The previous prime is 7872793667. The next prime is 7872793693. The reversal of 7872793685 is 5863972787.

It can be written as a sum of positive squares in 4 ways, for example, as 9006001 + 7863787684 = 3001^2 + 88678^2 .

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 7872793685 - 2³² = 3577826389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222202 + ... + 7223291.

It is an arithmetic number, because the mean of its divisors is an integer number (1191753255).

Almost surely, 2^7872793685 is an apocalyptic number.

It is an amenable number.

7872793685 is a deficient number, since it is larger than the sum of its proper divisors (1661232355).

7872793685 is a wasteful number, since it uses less digits than its factorization.

7872793685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445607.

The product of its digits is 35562240, while the sum is 62.

The square root of 7872793685 is about 88728.7646989408. The cubic root of 7872793685 is about 1989.3427865175.

The spelling of 7872793685 in words is "seven billion, eight hundred seventy-two million, seven hundred ninety-three thousand, six hundred eighty-five".