2978204645572 has 48 divisors (see below), whose sum is σ = 5673394545840. Its totient is φ = 1359723036672.

The previous prime is 2978204645561. The next prime is 2978204645587. The reversal of 2978204645572 is 2755464028792.

2978204645572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1434284083456 + 1543920562116 = 1197616^2 + 1242546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2978204645572.

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, 10293348 + ... + 10578724.

It is an arithmetic number, because the mean of its divisors is an integer number (118195719705).

Almost surely, 2^{2978204645572} is an apocalyptic number.

It is an amenable number.

2978204645572 is a deficient number, since it is larger than the sum of its proper divisors (2695189900268).

2978204645572 is a wasteful number, since it uses less digits than its factorization.

2978204645572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287560 (or 287558 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 2978204645572 in words is "two trillion, nine hundred seventy-eight billion, two hundred four million, six hundred forty-five thousand, five hundred seventy-two".