985700663 has 4 divisors (see below), whose sum is σ = 986674728. Its totient is φ = 984726600.

The previous prime is 985700657. The next prime is 985700671. The reversal of 985700663 is 366007589.

985700663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 985700663 - 2¹⁰ = 985699639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985700693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485513 + ... + 487538.

It is an arithmetic number, because the mean of its divisors is an integer number (246668682).

Almost surely, 2^985700663 is an apocalyptic number.

985700663 is a deficient number, since it is larger than the sum of its proper divisors (974065).

985700663 is a wasteful number, since it uses less digits than its factorization.

985700663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974064.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 985700663 is about 31395.8701583504. The cubic root of 985700663 is about 995.2106531088.

The spelling of 985700663 in words is "nine hundred eighty-five million, seven hundred thousand, six hundred sixty-three".