3877377787994 has 4 divisors (see below), whose sum is σ = 5816066681994. Its totient is φ = 1938688893996.

The previous prime is 3877377787993. The next prime is 3877377788003. The reversal of 3877377787994 is 4997877737783.

3877377787994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 3877374501025 + 3286969 = 1969105^2 + 1813^2 .

It is not an unprimeable number, because it can be changed into a prime (3877377787993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969344446997 + ... + 969344447000.

Almost surely, 2^{3877377787994} is an apocalyptic number.

3877377787994 is a deficient number, since it is larger than the sum of its proper divisors (1938688894000).

3877377787994 is a wasteful number, since it uses less digits than its factorization.

3877377787994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938688893999.

The product of its digits is 21956126976, while the sum is 86.

The spelling of 3877377787994 in words is "three trillion, eight hundred seventy-seven billion, three hundred seventy-seven million, seven hundred eighty-seven thousand, nine hundred ninety-four".