85607663 has 2 divisors, whose sum is σ = 85607664. Its totient is φ = 85607662.

The previous prime is 85607657. The next prime is 85607747. The reversal of 85607663 is 36670658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85607663 - 2¹⁰ = 85606639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85607663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85607653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42803831 + 42803832.

It is an arithmetic number, because the mean of its divisors is an integer number (42803832).

Almost surely, 2^85607663 is an apocalyptic number.

85607663 is a deficient number, since it is larger than the sum of its proper divisors (1).

85607663 is an equidigital number, since it uses as much as digits as its factorization.

85607663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 85607663 is about 9252.4409211840. The cubic root of 85607663 is about 440.7282413412.

The spelling of 85607663 in words is "eighty-five million, six hundred seven thousand, six hundred sixty-three".