7945713385 has 32 divisors (see below), whose sum is σ = 10441626624. Its totient is φ = 5778432000.

The previous prime is 7945713383. The next prime is 7945713409. The reversal of 7945713385 is 5833175497.

It is not a de Polignac number, because 7945713385 - 2¹ = 7945713383 is a prime.

It is a super-2 number, since 2×7945713385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7945713383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1501945 + ... + 1507225.

It is an arithmetic number, because the mean of its divisors is an integer number (326300832).

Almost surely, 2^7945713385 is an apocalyptic number.

It is an amenable number.

7945713385 is a deficient number, since it is larger than the sum of its proper divisors (2495913239).

7945713385 is a wasteful number, since it uses less digits than its factorization.

7945713385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905.

The product of its digits is 3175200, while the sum is 52.

The square root of 7945713385 is about 89138.7311161652. The cubic root of 7945713385 is about 1995.4658438989.

The spelling of 7945713385 in words is "seven billion, nine hundred forty-five million, seven hundred thirteen thousand, three hundred eighty-five".