9896377815 has 12 divisors (see below), whose sum is σ = 17153721624. Its totient is φ = 5278068144.

The previous prime is 9896377811. The next prime is 9896377837. The reversal of 9896377815 is 5187736989.

It is not a de Polignac number, because 9896377815 - 2² = 9896377811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896377811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109959709 + ... + 109959798.

It is an arithmetic number, because the mean of its divisors is an integer number (1429476802).

Almost surely, 2^9896377815 is an apocalyptic number.

9896377815 is a deficient number, since it is larger than the sum of its proper divisors (7257343809).

9896377815 is a wasteful number, since it uses less digits than its factorization.

9896377815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219919518 (or 219919515 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 9896377815 is about 99480.5398809234. The cubic root of 9896377815 is about 2146.9672629571.

The spelling of 9896377815 in words is "nine billion, eight hundred ninety-six million, three hundred seventy-seven thousand, eight hundred fifteen".