1077776777774 has 8 divisors (see below), whose sum is σ = 1660358819928. Its totient is φ = 524323837800.

The previous prime is 1077776777771. The next prime is 1077776777809. The reversal of 1077776777774 is 4777776777701.

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

It is a Harshad number since it is a multiple of its sum of digits (74), and also a Moran number because the ratio is a prime number: 14564551051 = 1077776777774 / (1 + 0 + 7 + 7 + 7 + 7 + 6 + 7 + 7 + 7 + 7 + 7 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077776777771) by changing a digit.

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, 7282275452 + ... + 7282275599.

It is an arithmetic number, because the mean of its divisors is an integer number (207544852491).

Almost surely, 2^{1077776777774} is an apocalyptic number.

1077776777774 is a deficient number, since it is larger than the sum of its proper divisors (582582042154).

1077776777774 is a wasteful number, since it uses less digits than its factorization.

1077776777774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564551090.

The product of its (nonzero) digits is 968486568, while the sum is 74.

The spelling of 1077776777774 in words is "one trillion, seventy-seven billion, seven hundred seventy-six million, seven hundred seventy-seven thousand, seven hundred seventy-four".