77738604571023 has 16 divisors (see below), whose sum is σ = 113110379444736. Its totient is φ = 47099286832640.

The previous prime is 77738604570983. The next prime is 77738604571027. The reversal of 77738604571023 is 32017540683777.

It is a cyclic number.

It is not a de Polignac number, because 77738604571023 - 2¹² = 77738604566927 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77738604571027) 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, 375369111 + ... + 375576152.

It is an arithmetic number, because the mean of its divisors is an integer number (7069398715296).

Almost surely, 2^{77738604571023} is an apocalyptic number.

77738604571023 is a deficient number, since it is larger than the sum of its proper divisors (35371774873713).

77738604571023 is a wasteful number, since it uses less digits than its factorization.

77738604571023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750948414.

The product of its (nonzero) digits is 41489280, while the sum is 60.

The spelling of 77738604571023 in words is "seventy-seven trillion, seven hundred thirty-eight billion, six hundred four million, five hundred seventy-one thousand, twenty-three".