87635063 has 2 divisors, whose sum is σ = 87635064. Its totient is φ = 87635062.

The previous prime is 87635057. The next prime is 87635069. The reversal of 87635063 is 36053678.

It is a balanced prime because it is at equal distance from previous prime (87635057) and next prime (87635069).

It is a cyclic number.

It is not a de Polignac number, because 87635063 - 2¹⁸ = 87372919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87635069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43817531 + 43817532.

It is an arithmetic number, because the mean of its divisors is an integer number (43817532).

Almost surely, 2^87635063 is an apocalyptic number.

87635063 is a deficient number, since it is larger than the sum of its proper divisors (1).

87635063 is an equidigital number, since it uses as much as digits as its factorization.

87635063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 87635063 is about 9361.3601041729. The cubic root of 87635063 is about 444.1803081619.

The spelling of 87635063 in words is "eighty-seven million, six hundred thirty-five thousand, sixty-three".