677378 has 8 divisors (see below), whose sum is σ = 1094268. Its totient is φ = 312624.

The previous prime is 677371. The next prime is 677387. The reversal of 677378 is 873776.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 49 = 823^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (677371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13001 + ... + 13052.

2⁶⁷⁷³⁷⁸ is an apocalyptic number.

677378 is a deficient number, since it is larger than the sum of its proper divisors (416890).

677378 is a wasteful number, since it uses less digits than its factorization.

677378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26068.

The product of its digits is 49392, while the sum is 38.

The square root of 677378 is about 823.0297685989. The cubic root of 677378 is about 87.8234234753.

The spelling of 677378 in words is "six hundred seventy-seven thousand, three hundred seventy-eight".