7985391353 has 8 divisors (see below), whose sum is σ = 8059778688. Its totient is φ = 7911314064.

The previous prime is 7985391329. The next prime is 7985391361. The reversal of 7985391353 is 3531935897.

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 7985391353 - 2⁶ = 7985391289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7985391295 and 7985391304.

It is not an unprimeable number, because it can be changed into a prime (7985391053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25601 + ... + 128942.

It is an arithmetic number, because the mean of its divisors is an integer number (1007472336).

Almost surely, 2^7985391353 is an apocalyptic number.

It is an amenable number.

7985391353 is a deficient number, since it is larger than the sum of its proper divisors (74387335).

7985391353 is a wasteful number, since it uses less digits than its factorization.

7985391353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155023.

The product of its digits is 3061800, while the sum is 53.

The square root of 7985391353 is about 89361.0169648936. The cubic root of 7985391353 is about 1998.7818709815.

The spelling of 7985391353 in words is "seven billion, nine hundred eighty-five million, three hundred ninety-one thousand, three hundred fifty-three".