377777777777777 has 8 divisors (see below), whose sum is σ = 406837897526760. Its totient is φ = 348717699555840.

The previous prime is 377777777777773. The next prime is 377777777777837. The reversal of 377777777777777 is 777777777777773.

It can be written as a sum of positive squares in 4 ways, for example, as 28712975685601 + 349064802092176 = 5358449^2 + 18683276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377777777777777 - 2² = 377777777777773 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (377777777777773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993377 + ... + 29247617.

It is an arithmetic number, because the mean of its divisors is an integer number (50854737190845).

Almost surely, 2^{377777777777777} is an apocalyptic number.

It is an amenable number.

377777777777777 is a deficient number, since it is larger than the sum of its proper divisors (29060119748983).

377777777777777 is a wasteful number, since it uses less digits than its factorization.

377777777777777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763523.

The product of its digits is 2034669218547, while the sum is 101.

It can be divided in two parts, 37777777 and 7777777, that added together give a palindrome (45555554).

The spelling of 377777777777777 in words is "three hundred seventy-seven trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-seven".