77654533545677 has 16 divisors (see below), whose sum is σ = 90960556293504. Its totient is φ = 65506573440000.

The previous prime is 77654533545649. The next prime is 77654533545683.

77654533545677 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 77654533545677 - 2¹⁶ = 77654533480141 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 (77654533548677) by changing a digit.

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, 2924387324 + ... + 2924413877.

It is an arithmetic number, because the mean of its divisors is an integer number (5685034768344).

Almost surely, 2^{77654533545677} is an apocalyptic number.

It is an amenable number.

77654533545677 is a deficient number, since it is larger than the sum of its proper divisors (13306022747827).

77654533545677 is a wasteful number, since it uses less digits than its factorization.

77654533545677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848801300.

The product of its digits is 7779240000, while the sum is 74.

The spelling of 77654533545677 in words is "seventy-seven trillion, six hundred fifty-four billion, five hundred thirty-three million, five hundred forty-five thousand, six hundred seventy-seven".