9778884674 has 32 divisors (see below), whose sum is σ = 16107490224. Its totient is φ = 4424659200.

The previous prime is 9778884671. The next prime is 9778884707. The reversal of 9778884674 is 4764888779.

It can be written as a sum of positive squares in 8 ways, for example, as 2106351025 + 7672533649 = 45895^2 + 87593^2 .

It is not an unprimeable number, because it can be changed into a prime (9778884671) 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, 2617712 + ... + 2621444.

Almost surely, 2^9778884674 is an apocalyptic number.

9778884674 is a deficient number, since it is larger than the sum of its proper divisors (6328605550).

9778884674 is a wasteful number, since it uses less digits than its factorization.

9778884674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702.

The product of its digits is 151732224, while the sum is 68.

The square root of 9778884674 is about 98888.2433558206. The cubic root of 9778884674 is about 2138.4369080351.

The spelling of 9778884674 in words is "nine billion, seven hundred seventy-eight million, eight hundred eighty-four thousand, six hundred seventy-four".