677872052 has 48 divisors (see below), whose sum is σ = 1396325952. Its totient is φ = 283879680.

The previous prime is 677872051. The next prime is 677872109. The reversal of 677872052 is 250278776.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 677871994 and 677872012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677872051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472328 + ... + 473760.

It is an arithmetic number, because the mean of its divisors is an integer number (29090124).

Almost surely, 2^677872052 is an apocalyptic number.

It is an amenable number.

677872052 is an abundant number, since it is smaller than the sum of its proper divisors (718453900).

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

677872052 is a wasteful number, since it uses less digits than its factorization.

677872052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 677872052 is about 26035.9761099906. The cubic root of 677872052 is about 878.4476989906.

The spelling of 677872052 in words is "six hundred seventy-seven million, eight hundred seventy-two thousand, fifty-two".