7875007945 has 8 divisors (see below), whose sum is σ = 10800010944. Its totient is φ = 5400005424.

The previous prime is 7875007939. The next prime is 7875007963. The reversal of 7875007945 is 5497005787.

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 7875007945 - 2⁷ = 7875007817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7875007892 and 7875007901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112500079 + ... + 112500148.

It is an arithmetic number, because the mean of its divisors is an integer number (1350001368).

Almost surely, 2^7875007945 is an apocalyptic number.

It is an amenable number.

7875007945 is a deficient number, since it is larger than the sum of its proper divisors (2925002999).

7875007945 is a wasteful number, since it uses less digits than its factorization.

7875007945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225000239.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The square root of 7875007945 is about 88741.2415114866. The cubic root of 7875007945 is about 1989.5292730191.

The spelling of 7875007945 in words is "seven billion, eight hundred seventy-five million, seven thousand, nine hundred forty-five".