77741107777667 has 4 divisors (see below), whose sum is σ = 77748122235000. Its totient is φ = 77734093320336.

The previous prime is 77741107777661. The next prime is 77741107777679. The reversal of 77741107777667 is 76677770114777.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77741107777667 - 2¹⁸ = 77741107515523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77741107777594 and 77741107777603.

It is not an unprimeable number, because it can be changed into a prime (77741107777661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507212042 + ... + 3507234207.

It is an arithmetic number, because the mean of its divisors is an integer number (19437030558750).

Almost surely, 2^{77741107777667} is an apocalyptic number.

77741107777667 is a deficient number, since it is larger than the sum of its proper divisors (7014457333).

77741107777667 is a wasteful number, since it uses less digits than its factorization.

77741107777667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014457332.

The product of its (nonzero) digits is 830131344, while the sum is 74.

The spelling of 77741107777667 in words is "seventy-seven trillion, seven hundred forty-one billion, one hundred seven million, seven hundred seventy-seven thousand, six hundred sixty-seven".