3916972982278 has 16 divisors (see below), whose sum is σ = 5888578235760. Its totient is φ = 1954113952896.

The previous prime is 3916972982257. The next prime is 3916972982287. The reversal of 3916972982278 is 8722892796193.

It is a self number, because there is not a number n which added to its sum of digits gives 3916972982278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23684338 + ... + 23849146.

It is an arithmetic number, because the mean of its divisors is an integer number (368036139735).

Almost surely, 2^{3916972982278} is an apocalyptic number.

3916972982278 is a deficient number, since it is larger than the sum of its proper divisors (1971605253482).

3916972982278 is a wasteful number, since it uses less digits than its factorization.

3916972982278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191271.

The product of its digits is 329204736, while the sum is 73.

The spelling of 3916972982278 in words is "three trillion, nine hundred sixteen billion, nine hundred seventy-two million, nine hundred eighty-two thousand, two hundred seventy-eight".