77657275677 has 8 divisors (see below), whose sum is σ = 103553531680. Its totient is φ = 51766268400.

The previous prime is 77657275643. The next prime is 77657275711.

77657275677 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (77657275643) and next prime (77657275711).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77657275677 - 2¹⁴ = 77657259293 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 (77657205677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277527 + ... + 1336932.

It is an arithmetic number, because the mean of its divisors is an integer number (12944191460).

Almost surely, 2^77657275677 is an apocalyptic number.

It is an amenable number.

77657275677 is a deficient number, since it is larger than the sum of its proper divisors (25896256003).

77657275677 is a wasteful number, since it uses less digits than its factorization.

77657275677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624363.

The product of its digits is 211768200, while the sum is 66.

The spelling of 77657275677 in words is "seventy-seven billion, six hundred fifty-seven million, two hundred seventy-five thousand, six hundred seventy-seven".