7975729446275 has 6 divisors (see below), whose sum is σ = 9889904513412. Its totient is φ = 6380583557000.

The previous prime is 7975729446257. The next prime is 7975729446287. The reversal of 7975729446275 is 5726449275797.

It is a de Polignac number, because none of the positive numbers 2^k-7975729446275 is a prime.

It is a super-2 number, since 2×7975729446275² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159514588901 + ... + 159514588950.

It is an arithmetic number, because the mean of its divisors is an integer number (1648317418902).

Almost surely, 2^{7975729446275} is an apocalyptic number.

7975729446275 is a deficient number, since it is larger than the sum of its proper divisors (1914175067137).

7975729446275 is a wasteful number, since it uses less digits than its factorization.

7975729446275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319029177861 (or 319029177856 counting only the distinct ones).

The product of its digits is 1867017600, while the sum is 74.

The spelling of 7975729446275 in words is "seven trillion, nine hundred seventy-five billion, seven hundred twenty-nine million, four hundred forty-six thousand, two hundred seventy-five".