77252466607565 has 16 divisors (see below), whose sum is σ = 97583824168320. Its totient is φ = 58548181199040.

The previous prime is 77252466607531. The next prime is 77252466607597. The reversal of 77252466607565 is 56570666425277.

It is not a de Polignac number, because 77252466607565 - 2¹⁰ = 77252466606541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77252466607495 and 77252466607504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2026049 + ... + 12594038.

It is an arithmetic number, because the mean of its divisors is an integer number (6098989010520).

Almost surely, 2^{77252466607565} is an apocalyptic number.

It is an amenable number.

77252466607565 is a deficient number, since it is larger than the sum of its proper divisors (20331357560755).

77252466607565 is a wasteful number, since it uses less digits than its factorization.

77252466607565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14675732.

The product of its (nonzero) digits is 889056000, while the sum is 68.

The spelling of 77252466607565 in words is "seventy-seven trillion, two hundred fifty-two billion, four hundred sixty-six million, six hundred seven thousand, five hundred sixty-five".