2977625541556 has 12 divisors (see below), whose sum is σ = 5351678338468. Its totient is φ = 1448574587712.

The previous prime is 2977625541533. The next prime is 2977625541599. The reversal of 2977625541556 is 6551455267792.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2711456222500 + 266169319056 = 1646650^2 + 515916^2 .

It is a super-2 number, since 2×2977625541556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10059545601 + ... + 10059545896.

Almost surely, 2^{2977625541556} is an apocalyptic number.

It is an amenable number.

2977625541556 is a deficient number, since it is larger than the sum of its proper divisors (2374052796912).

2977625541556 is a wasteful number, since it uses less digits than its factorization.

2977625541556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20119091538 (or 20119091536 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 64.

The spelling of 2977625541556 in words is "two trillion, nine hundred seventy-seven billion, six hundred twenty-five million, five hundred forty-one thousand, five hundred fifty-six".