3969776998 has 32 divisors (see below), whose sum is σ = 7115312160. Its totient is φ = 1639733760.

The previous prime is 3969776983. The next prime is 3969777041. The reversal of 3969776998 is 8996779693.

It is a self number, because there is not a number n which added to its sum of digits gives 3969776998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172161 + ... + 193852.

It is an arithmetic number, because the mean of its divisors is an integer number (222353505).

Almost surely, 2^3969776998 is an apocalyptic number.

3969776998 is a deficient number, since it is larger than the sum of its proper divisors (3145535162).

3969776998 is a wasteful number, since it uses less digits than its factorization.

3969776998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366072.

The product of its digits is 277766496, while the sum is 73.

The square root of 3969776998 is about 63006.1663490170. The cubic root of 3969776998 is about 1583.3929380873.

The spelling of 3969776998 in words is "three billion, nine hundred sixty-nine million, seven hundred seventy-six thousand, nine hundred ninety-eight".