875972709 has 12 divisors (see below), whose sum is σ = 1267365996. Its totient is φ = 583025472.

The previous prime is 875972701. The next prime is 875972717. The reversal of 875972709 is 907279578.

It is an interprime number because it is at equal distance from previous prime (875972701) and next prime (875972717).

It can be written as a sum of positive squares in 2 ways, for example, as 101909025 + 774063684 = 10095^2 + 27822^2 .

It is not a de Polignac number, because 875972709 - 2³ = 875972701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875972701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73872 + ... + 84905.

It is an arithmetic number, because the mean of its divisors is an integer number (105613833).

Almost surely, 2^875972709 is an apocalyptic number.

It is an amenable number.

875972709 is a deficient number, since it is larger than the sum of its proper divisors (391393287).

875972709 is a wasteful number, since it uses less digits than its factorization.

875972709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159396 (or 159393 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The square root of 875972709 is about 29596.8361315868. The cubic root of 875972709 is about 956.8198840149.

The spelling of 875972709 in words is "eight hundred seventy-five million, nine hundred seventy-two thousand, seven hundred nine".