7945947603 has 24 divisors (see below), whose sum is σ = 12590091696. Its totient is φ = 4789108800.

The previous prime is 7945947593. The next prime is 7945947613. The reversal of 7945947603 is 3067495497.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7945947593) and next prime (7945947613).

It is not a de Polignac number, because 7945947603 - 2⁴ = 7945947587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7945947603.

It is not an unprimeable number, because it can be changed into a prime (7945947613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203800 + ... + 239637.

It is an arithmetic number, because the mean of its divisors is an integer number (524587154).

Almost surely, 2^7945947603 is an apocalyptic number.

7945947603 is a deficient number, since it is larger than the sum of its proper divisors (4644144093).

7945947603 is a wasteful number, since it uses less digits than its factorization.

7945947603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443635 (or 443632 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The square root of 7945947603 is about 89140.0448900493. The cubic root of 7945947603 is about 1995.4854506732.

The spelling of 7945947603 in words is "seven billion, nine hundred forty-five million, nine hundred forty-seven thousand, six hundred three".