677345760 has 384 divisors, whose sum is σ = 2919490560. Its totient is φ = 142829568.

The previous prime is 677345759. The next prime is 677345771. The reversal of 677345760 is 67543776.

677345760 is a `hidden beast` number, since 6 + 7 + 73 + 4 + 576 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 392259 + ... + 393981.

It is an arithmetic number, because the mean of its divisors is an integer number (7602840).

Almost surely, 2^677345760 is an apocalyptic number.

677345760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677345760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459745280).

677345760 is an abundant number, since it is smaller than the sum of its proper divisors (2242144800).

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

677345760 is a wasteful number, since it uses less digits than its factorization.

677345760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The square root of 677345760 is about 26025.8671325280. The cubic root of 677345760 is about 878.2203012621.

The spelling of 677345760 in words is "six hundred seventy-seven million, three hundred forty-five thousand, seven hundred sixty".