677720000005 has 4 divisors (see below), whose sum is σ = 813264000012. Its totient is φ = 542176000000.

The previous prime is 677719999991. The next prime is 677720000039. The reversal of 677720000005 is 500000027776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419134528836 + 258585471169 = 647406^2 + 508513^2 .

It is not a de Polignac number, because 677720000005 - 2¹³ = 677719991813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67771999996 + ... + 67772000005.

It is an arithmetic number, because the mean of its divisors is an integer number (203316000003).

Almost surely, 2^677720000005 is an apocalyptic number.

It is an amenable number.

677720000005 is a deficient number, since it is larger than the sum of its proper divisors (135544000007).

677720000005 is a wasteful number, since it uses less digits than its factorization.

677720000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135544000006.

The product of its (nonzero) digits is 20580, while the sum is 34.

The spelling of 677720000005 in words is "six hundred seventy-seven billion, seven hundred twenty million, five", and thus it is an aban number.