677790112279 has 6 divisors (see below), whose sum is σ = 788449722504. Its totient is φ = 580962953340.

The previous prime is 677790112277. The next prime is 677790112289. The reversal of 677790112279 is 972211097776.

It is a happy number.

It is not a de Polignac number, because 677790112279 - 2¹ = 677790112277 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 (677790112277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6916225587 + ... + 6916225684.

It is an arithmetic number, because the mean of its divisors is an integer number (131408287084).

Almost surely, 2^677790112279 is an apocalyptic number.

677790112279 is a deficient number, since it is larger than the sum of its proper divisors (110659610225).

677790112279 is a wasteful number, since it uses less digits than its factorization.

677790112279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832451285 (or 13832451278 counting only the distinct ones).

The product of its (nonzero) digits is 4667544, while the sum is 58.

The spelling of 677790112279 in words is "six hundred seventy-seven billion, seven hundred ninety million, one hundred twelve thousand, two hundred seventy-nine".