677966605899 has 8 divisors (see below), whose sum is σ = 986133244992. Its totient is φ = 410888852040.

The previous prime is 677966605859. The next prime is 677966605913. The reversal of 677966605899 is 998506669776.

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

It is not a de Polignac number, because 677966605899 - 2¹¹ = 677966603851 is a prime.

It is a super-4 number, since 4×677966605899⁴ (a number of 48 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (677966605819) 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, 10272221269 + ... + 10272221334.

It is an arithmetic number, because the mean of its divisors is an integer number (123266655624).

Almost surely, 2^677966605899 is an apocalyptic number.

677966605899 is a deficient number, since it is larger than the sum of its proper divisors (308166639093).

677966605899 is a wasteful number, since it uses less digits than its factorization.

677966605899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20544442617.

The product of its (nonzero) digits is 1851776640, while the sum is 78.

The spelling of 677966605899 in words is "six hundred seventy-seven billion, nine hundred sixty-six million, six hundred five thousand, eight hundred ninety-nine".