85663463 has 2 divisors, whose sum is σ = 85663464. Its totient is φ = 85663462.

The previous prime is 85663441. The next prime is 85663471. The reversal of 85663463 is 36436658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85663463 - 2¹² = 85659367 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85663463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85663433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42831731 + 42831732.

It is an arithmetic number, because the mean of its divisors is an integer number (42831732).

Almost surely, 2^85663463 is an apocalyptic number.

85663463 is a deficient number, since it is larger than the sum of its proper divisors (1).

85663463 is an equidigital number, since it uses as much as digits as its factorization.

85663463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 85663463 is about 9255.4558504700. The cubic root of 85663463 is about 440.8239776873.

The spelling of 85663463 in words is "eighty-five million, six hundred sixty-three thousand, four hundred sixty-three".