9878276416 has 28 divisors (see below), whose sum is σ = 19610016660. Its totient is φ = 4937169920.

The previous prime is 9878276413. The next prime is 9878276477. The reversal of 9878276416 is 6146728789.

It can be written as a sum of positive squares in 2 ways, for example, as 5212840000 + 4665436416 = 72200^2 + 68304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878276413) 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, 138300 + ... + 197188.

Almost surely, 2^9878276416 is an apocalyptic number.

It is an amenable number.

9878276416 is a deficient number, since it is larger than the sum of its proper divisors (9731740244).

9878276416 is a wasteful number, since it uses less digits than its factorization.

9878276416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61522 (or 61512 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The square root of 9878276416 is about 99389.5186425611. The cubic root of 9878276416 is about 2145.6574628580.

The spelling of 9878276416 in words is "nine billion, eight hundred seventy-eight million, two hundred seventy-six thousand, four hundred sixteen".