87760727 has 2 divisors, whose sum is σ = 87760728. Its totient is φ = 87760726.

The previous prime is 87760723. The next prime is 87760741. The reversal of 87760727 is 72706778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87760727 - 2² = 87760723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87760723) 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, 43880363 + 43880364.

It is an arithmetic number, because the mean of its divisors is an integer number (43880364).

Almost surely, 2^87760727 is an apocalyptic number.

87760727 is a deficient number, since it is larger than the sum of its proper divisors (1).

87760727 is an equidigital number, since it uses as much as digits as its factorization.

87760727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 87760727 is about 9368.0695450023. The cubic root of 87760727 is about 444.3925170420.

The spelling of 87760727 in words is "eighty-seven million, seven hundred sixty thousand, seven hundred twenty-seven".