677259445122 has 162 divisors, whose sum is σ = 1631468248137. Its totient is φ = 202954725792.

The previous prime is 677259445117. The next prime is 677259445169. The reversal of 677259445122 is 221544952776.

It is a happy number.

677259445122 is a `hidden beast` number, since 6 + 7 + 7 + 2 + 594 + 45 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 579076862841 + 98182582281 = 760971^2 + 313341^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=581919.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1951756153 + ... + 1951756499.

Almost surely, 2^677259445122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677259445122

677259445122 is an abundant number, since it is smaller than the sum of its proper divisors (954208803015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677259445122 is a wasteful number, since it uses less digits than its factorization.

677259445122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 408 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 677259445122 in words is "six hundred seventy-seven billion, two hundred fifty-nine million, four hundred forty-five thousand, one hundred twenty-two".