77201306693 has 16 divisors (see below), whose sum is σ = 88842479616. Its totient is φ = 65714415360.

The previous prime is 77201306687. The next prime is 77201306717. The reversal of 77201306693 is 39660310277.

It is a cyclic number.

It is not a de Polignac number, because 77201306693 - 2¹⁶ = 77201241157 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 (77201306653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744155 + ... + 841527.

It is an arithmetic number, because the mean of its divisors is an integer number (5552654976).

Almost surely, 2^77201306693 is an apocalyptic number.

It is an amenable number.

77201306693 is a deficient number, since it is larger than the sum of its proper divisors (11641172923).

77201306693 is a wasteful number, since it uses less digits than its factorization.

77201306693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98164.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 77201306693 in words is "seventy-seven billion, two hundred one million, three hundred six thousand, six hundred ninety-three".