677796545421599 has 8 divisors (see below), whose sum is σ = 685412735219280. Its totient is φ = 670180366696896.

The previous prime is 677796545421509. The next prime is 677796545421623. The reversal of 677796545421599 is 995124545697776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677796545421599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677796545421599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677796545421509) 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, 225533144 + ... + 228518690.

It is an arithmetic number, because the mean of its divisors is an integer number (85676591902410).

Almost surely, 2^{677796545421599} is an apocalyptic number.

677796545421599 is a deficient number, since it is larger than the sum of its proper divisors (7616189797681).

677796545421599 is a wasteful number, since it uses less digits than its factorization.

677796545421599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536489.

The product of its digits is 36006768000, while the sum is 86.

The spelling of 677796545421599 in words is "six hundred seventy-seven trillion, seven hundred ninety-six billion, five hundred forty-five million, four hundred twenty-one thousand, five hundred ninety-nine".