985963807 has 4 divisors (see below), whose sum is σ = 1043961696. Its totient is φ = 927965920.

The previous prime is 985963757. The next prime is 985963861. The reversal of 985963807 is 708369589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708369589 = 73 ⋅9703693.

It is a cyclic number.

It is not a de Polignac number, because 985963807 - 2¹¹ = 985961759 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 (985963207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28998919 + ... + 28998952.

It is an arithmetic number, because the mean of its divisors is an integer number (260990424).

Almost surely, 2^985963807 is an apocalyptic number.

985963807 is a deficient number, since it is larger than the sum of its proper divisors (57997889).

985963807 is a wasteful number, since it uses less digits than its factorization.

985963807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57997888.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 985963807 is about 31400.0606209606. The cubic root of 985963807 is about 995.2992061625.

The spelling of 985963807 in words is "nine hundred eighty-five million, nine hundred sixty-three thousand, eight hundred seven".