85920063 has 16 divisors (see below), whose sum is σ = 118985856. Its totient is φ = 55107360.

The previous prime is 85920059. The next prime is 85920077. The reversal of 85920063 is 36002958.

It is a happy number.

It is not a de Polignac number, because 85920063 - 2² = 85920059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85921063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3673 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (7436616).

Almost surely, 2^85920063 is an apocalyptic number.

85920063 is a deficient number, since it is larger than the sum of its proper divisors (33065793).

85920063 is a wasteful number, since it uses less digits than its factorization.

85920063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 85920063 is about 9269.3075793179. The cubic root of 85920063 is about 441.2636932622.

The spelling of 85920063 in words is "eighty-five million, nine hundred twenty thousand, sixty-three".