86911603 has 2 divisors, whose sum is σ = 86911604. Its totient is φ = 86911602.

The previous prime is 86911571. The next prime is 86911607. The reversal of 86911603 is 30611968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86911603 - 2⁵ = 86911571 is a prime.

It is not a weakly prime, because it can be changed into another prime (86911607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455801 + 43455802.

It is an arithmetic number, because the mean of its divisors is an integer number (43455802).

Almost surely, 2^86911603 is an apocalyptic number.

86911603 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911603 is an equidigital number, since it uses as much as digits as its factorization.

86911603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 86911603 is about 9322.6392722233. The cubic root of 86911603 is about 442.9546380116.

The spelling of 86911603 in words is "eighty-six million, nine hundred eleven thousand, six hundred three".