677904344 has 64 divisors (see below), whose sum is σ = 1468303200. Its totient is φ = 290774016.

The previous prime is 677904317. The next prime is 677904347. The reversal of 677904344 is 443409776.

It is a super-2 number, since 2×677904344² = 919108599228140672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 677904295 and 677904304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677904347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101492 + ... + 107964.

Almost surely, 2^677904344 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 677904344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734151600).

677904344 is an abundant number, since it is smaller than the sum of its proper divisors (790398856).

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

677904344 is a wasteful number, since it uses less digits than its factorization.

677904344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6560 counting only the distinct ones).

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

The square root of 677904344 is about 26036.5962445171. The cubic root of 677904344 is about 878.4616477305.

The spelling of 677904344 in words is "six hundred seventy-seven million, nine hundred four thousand, three hundred forty-four".