677305344 has 88 divisors (see below), whose sum is σ = 1844068608. Its totient is φ = 220917760.

The previous prime is 677305339. The next prime is 677305373. The reversal of 677305344 is 443503776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142039 + ... + 146729.

Almost surely, 2^677305344 is an apocalyptic number.

677305344 is a gapful number since it is divisible by the number (64) 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 677305344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922034304).

677305344 is an abundant number, since it is smaller than the sum of its proper divisors (1166763264).

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

677305344 is a wasteful number, since it uses less digits than its factorization.

677305344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 677305344 is about 26025.0906626663. The cubic root of 677305344 is about 878.2028336408.

The spelling of 677305344 in words is "six hundred seventy-seven million, three hundred five thousand, three hundred forty-four".