677919606 has 64 divisors (see below), whose sum is σ = 1702848000. Its totient is φ = 178784928.

The previous prime is 677919581. The next prime is 677919607. The reversal of 677919606 is 606919776.

677919606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677919607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14085 + ... + 39423.

It is an arithmetic number, because the mean of its divisors is an integer number (26607000).

Almost surely, 2^677919606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677919606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851424000).

677919606 is an abundant number, since it is smaller than the sum of its proper divisors (1024928394).

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

677919606 is a wasteful number, since it uses less digits than its factorization.

677919606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25378 (or 25364 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 677919606 is about 26036.8893303328. The cubic root of 677919606 is about 878.4682400967.

The spelling of 677919606 in words is "six hundred seventy-seven million, nine hundred nineteen thousand, six hundred six".