7706803778077 has 16 divisors (see below), whose sum is σ = 7967768276160. Its totient is φ = 7449563100672.

The previous prime is 7706803778071. The next prime is 7706803778099. The reversal of 7706803778077 is 7708773086077.

It is not a de Polignac number, because 7706803778077 - 2¹⁹ = 7706803253789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7706803778071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99310263 + ... + 99387835.

It is an arithmetic number, because the mean of its divisors is an integer number (497985517260).

Almost surely, 2^{7706803778077} is an apocalyptic number.

It is an amenable number.

7706803778077 is a deficient number, since it is larger than the sum of its proper divisors (260964498083).

7706803778077 is a wasteful number, since it uses less digits than its factorization.

7706803778077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101532.

The product of its (nonzero) digits is 135531648, while the sum is 67.

The spelling of 7706803778077 in words is "seven trillion, seven hundred six billion, eight hundred three million, seven hundred seventy-eight thousand, seventy-seven".