77967676977 has 24 divisors (see below), whose sum is σ = 108708722304. Its totient is φ = 49702307424.

The previous prime is 77967676967. The next prime is 77967676987.

77967676977 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (77967676967) and next prime (77967676987).

It is not a de Polignac number, because 77967676977 - 2¹¹ = 77967674929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77967676967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6553128 + ... + 6565014.

It is an arithmetic number, because the mean of its divisors is an integer number (4529530096).

Almost surely, 2^77967676977 is an apocalyptic number.

It is an amenable number.

77967676977 is a deficient number, since it is larger than the sum of its proper divisors (30741045327).

77967676977 is a wasteful number, since it uses less digits than its factorization.

77967676977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16069 (or 16046 counting only the distinct ones).

The product of its digits is 2058386904, while the sum is 78.

The spelling of 77967676977 in words is "seventy-seven billion, nine hundred sixty-seven million, six hundred seventy-six thousand, nine hundred seventy-seven".