712545887 has 2 divisors, whose sum is σ = 712545888. Its totient is φ = 712545886.

The previous prime is 712545877. The next prime is 712545893. The reversal of 712545887 is 788545217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712545887 - 2²² = 708351583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712545817) 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, 356272943 + 356272944.

It is an arithmetic number, because the mean of its divisors is an integer number (356272944).

Almost surely, 2^712545887 is an apocalyptic number.

712545887 is a deficient number, since it is larger than the sum of its proper divisors (1).

712545887 is an equidigital number, since it uses as much as digits as its factorization.

712545887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627200, while the sum is 47.

The square root of 712545887 is about 26693.5551585022. Note that the first 3 decimals coincide. The cubic root of 712545887 is about 893.1771674031.

The spelling of 712545887 in words is "seven hundred twelve million, five hundred forty-five thousand, eight hundred eighty-seven".