677352396252 has 96 divisors (see below), whose sum is σ = 1828828495872. Its totient is φ = 191114629056.

The previous prime is 677352396233. The next prime is 677352396293. The reversal of 677352396252 is 252693253776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 677352396192 and 677352396201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17040633 + ... + 17080335.

It is an arithmetic number, because the mean of its divisors is an integer number (19050296832).

Almost surely, 2^677352396252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677352396252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914414247936).

677352396252 is an abundant number, since it is smaller than the sum of its proper divisors (1151476099620).

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

677352396252 is a wasteful number, since it uses less digits than its factorization.

677352396252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42247 (or 42245 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 57.

The spelling of 677352396252 in words is "six hundred seventy-seven billion, three hundred fifty-two million, three hundred ninety-six thousand, two hundred fifty-two".