875487731 has 2 divisors, whose sum is σ = 875487732. Its totient is φ = 875487730.

The previous prime is 875487713. The next prime is 875487733. The reversal of 875487731 is 137784578.

It is a happy number.

Together with previous prime (875487713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 875487731 - 2⁶ = 875487667 is a prime.

It is a super-2 number, since 2×875487731² = 1532957534263056722, which contains 22 as substring.

Together with 875487733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 875487731.

It is not a weakly prime, because it can be changed into another prime (875487733) by changing a digit.

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 as a sum of consecutive naturals, namely, 437743865 + 437743866.

It is an arithmetic number, because the mean of its divisors is an integer number (437743866).

Almost surely, 2^875487731 is an apocalyptic number.

875487731 is a deficient number, since it is larger than the sum of its proper divisors (1).

875487731 is an equidigital number, since it uses as much as digits as its factorization.

875487731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 50.

The square root of 875487731 is about 29588.6419255768. The cubic root of 875487731 is about 956.6432718699.

The spelling of 875487731 in words is "eight hundred seventy-five million, four hundred eighty-seven thousand, seven hundred thirty-one".