677749134712222 has 16 divisors (see below), whose sum is σ = 1017951209437680. Its totient is φ = 338432308239168.

The previous prime is 677749134712201. The next prime is 677749134712271. The reversal of 677749134712222 is 222217431947776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55262493 + ... + 66403624.

It is an arithmetic number, because the mean of its divisors is an integer number (63621950589855).

Almost surely, 2^{677749134712222} is an apocalyptic number.

677749134712222 is a deficient number, since it is larger than the sum of its proper divisors (340202074725458).

677749134712222 is a wasteful number, since it uses less digits than its factorization.

677749134712222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121669755.

The product of its digits is 99574272, while the sum is 64.

The spelling of 677749134712222 in words is "six hundred seventy-seven trillion, seven hundred forty-nine billion, one hundred thirty-four million, seven hundred twelve thousand, two hundred twenty-two".