7777696585077 has 24 divisors (see below), whose sum is σ = 11302718656320. Its totient is φ = 5153698756800.

The previous prime is 7777696585073. The next prime is 7777696585079. The reversal of 7777696585077 is 7705856967777.

It is not a de Polignac number, because 7777696585077 - 2² = 7777696585073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7777696584987 and 7777696585005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7777696585073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1939377 + ... + 4395062.

It is an arithmetic number, because the mean of its divisors is an integer number (470946610680).

Almost surely, 2^{7777696585077} is an apocalyptic number.

It is an amenable number.

7777696585077 is a deficient number, since it is larger than the sum of its proper divisors (3525022071243).

7777696585077 is a wasteful number, since it uses less digits than its factorization.

7777696585077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335273 (or 6335270 counting only the distinct ones).

The product of its (nonzero) digits is 7623655200, while the sum is 81.

The spelling of 7777696585077 in words is "seven trillion, seven hundred seventy-seven billion, six hundred ninety-six million, five hundred eighty-five thousand, seventy-seven".