77293545196077 has 40 divisors (see below), whose sum is σ = 139720171352256. Its totient is φ = 41569637747328.

The previous prime is 77293545196069. The next prime is 77293545196121. The reversal of 77293545196077 is 77069154539277.

77293545196077 is a `hidden beast` number, since 7 + 7 + 2 + 9 + 3 + 5 + 4 + 5 + 1 + 9 + 607 + 7 = 666.

It is not a de Polignac number, because 77293545196077 - 2³ = 77293545196069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77293545195996 and 77293545196014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77293545196177) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4009407583 + ... + 4009426860.

Almost surely, 2^{77293545196077} is an apocalyptic number.

It is an amenable number.

77293545196077 is a deficient number, since it is larger than the sum of its proper divisors (62426626156179).

77293545196077 is a wasteful number, since it uses less digits than its factorization.

77293545196077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018834479 (or 8018834470 counting only the distinct ones).

The product of its (nonzero) digits is 700131600, while the sum is 72.

The spelling of 77293545196077 in words is "seventy-seven trillion, two hundred ninety-three billion, five hundred forty-five million, one hundred ninety-six thousand, seventy-seven".