677677261161 has 16 divisors (see below), whose sum is σ = 938417356800. Its totient is φ = 434635394688.

The previous prime is 677677261139. The next prime is 677677261193. The reversal of 677677261161 is 161162776776.

677677261161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677677261161 - 2⁷ = 677677261033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677677261061) 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, 34289001 + ... + 34308758.

It is an arithmetic number, because the mean of its divisors is an integer number (58651084800).

Almost surely, 2^677677261161 is an apocalyptic number.

It is an amenable number.

677677261161 is a deficient number, since it is larger than the sum of its proper divisors (260740095639).

677677261161 is a wasteful number, since it uses less digits than its factorization.

677677261161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68597888.

The product of its digits is 6223392, while the sum is 57.

The spelling of 677677261161 in words is "six hundred seventy-seven billion, six hundred seventy-seven million, two hundred sixty-one thousand, one hundred sixty-one".