7781341113377 has 8 divisors (see below), whose sum is σ = 8379993431040. Its totient is φ = 7182701312400.

The previous prime is 7781341113373. The next prime is 7781341113473. The reversal of 7781341113377 is 7733111431877.

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 7781341113377 - 2² = 7781341113373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7781341113373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817627 + ... + 4343552.

It is an arithmetic number, because the mean of its divisors is an integer number (1047499178880).

Almost surely, 2^{7781341113377} is an apocalyptic number.

It is an amenable number.

7781341113377 is a deficient number, since it is larger than the sum of its proper divisors (598652317663).

7781341113377 is a wasteful number, since it uses less digits than its factorization.

7781341113377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258343.

The product of its digits is 2074464, while the sum is 53.

The spelling of 7781341113377 in words is "seven trillion, seven hundred eighty-one billion, three hundred forty-one million, one hundred thirteen thousand, three hundred seventy-seven".