677626460 has 96 divisors (see below), whose sum is σ = 1796981760. Its totient is φ = 209138688.

The previous prime is 677626459. The next prime is 677626471. The reversal of 677626460 is 64626776.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 48551 + ... + 60929.

It is an arithmetic number, because the mean of its divisors is an integer number (18718560).

Almost surely, 2^677626460 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 677626460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898490880).

677626460 is an abundant number, since it is smaller than the sum of its proper divisors (1119355300).

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

677626460 is a wasteful number, since it uses less digits than its factorization.

677626460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435 (or 12433 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 677626460 is about 26031.2592857126. The cubic root of 677626460 is about 878.3415994271.

The spelling of 677626460 in words is "six hundred seventy-seven million, six hundred twenty-six thousand, four hundred sixty".