3877561405474 has 4 divisors (see below), whose sum is σ = 5816342108214. Its totient is φ = 1938780702736.

The previous prime is 3877561405469. The next prime is 3877561405499. The reversal of 3877561405474 is 4745041657783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3747379714225 + 130181691249 = 1935815^2 + 360807^2 .

It is a super-3 number, since 3×3877561405474³ (a number of 39 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 969390351367 + ... + 969390351370.

Almost surely, 2^{3877561405474} is an apocalyptic number.

3877561405474 is a deficient number, since it is larger than the sum of its proper divisors (1938780702740).

3877561405474 is a wasteful number, since it uses less digits than its factorization.

3877561405474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938780702739.

The product of its (nonzero) digits is 79027200, while the sum is 61.

The spelling of 3877561405474 in words is "three trillion, eight hundred seventy-seven billion, five hundred sixty-one million, four hundred five thousand, four hundred seventy-four".