9682778674 has 8 divisors (see below), whose sum is σ = 14687361180. Its totient is φ = 4786991616.

The previous prime is 9682778639. The next prime is 9682778681. The reversal of 9682778674 is 4768772869.

It can be written as a sum of positive squares in 2 ways, for example, as 7326161649 + 2356617025 = 85593^2 + 48545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27198639 + ... + 27198994.

Almost surely, 2^9682778674 is an apocalyptic number.

9682778674 is a deficient number, since it is larger than the sum of its proper divisors (5004582506).

9682778674 is a wasteful number, since it uses less digits than its factorization.

9682778674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54397724.

The product of its digits is 56899584, while the sum is 64.

The square root of 9682778674 is about 98401.1111421004. Note that the first 4 decimals coincide. The cubic root of 9682778674 is about 2131.4083769738.

The spelling of 9682778674 in words is "nine billion, six hundred eighty-two million, seven hundred seventy-eight thousand, six hundred seventy-four".