77053705757 has 16 divisors (see below), whose sum is σ = 90322670592. Its totient is φ = 64354116480.

The previous prime is 77053705733. The next prime is 77053705789. The reversal of 77053705757 is 75750735077.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 77053705757 - 2⁸ = 77053705501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77053705699 and 77053705708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77053705717) 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, 60308 + ... + 397170.

It is an arithmetic number, because the mean of its divisors is an integer number (5645166912).

Almost surely, 2^77053705757 is an apocalyptic number.

It is an amenable number.

77053705757 is a deficient number, since it is larger than the sum of its proper divisors (13268964835).

77053705757 is a wasteful number, since it uses less digits than its factorization.

77053705757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337708.

The product of its (nonzero) digits is 6302625, while the sum is 53.

The spelling of 77053705757 in words is "seventy-seven billion, fifty-three million, seven hundred five thousand, seven hundred fifty-seven".