677304842 has 4 divisors (see below), whose sum is σ = 1015957266. Its totient is φ = 338652420.

The previous prime is 677304839. The next prime is 677304853. The reversal of 677304842 is 248403776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 611028961 + 66275881 = 24719^2 + 8141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677304842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169326209 + ... + 169326212.

Almost surely, 2^677304842 is an apocalyptic number.

677304842 is a deficient number, since it is larger than the sum of its proper divisors (338652424).

677304842 is a wasteful number, since it uses less digits than its factorization.

677304842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338652423.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 677304842 is about 26025.0810181256. The cubic root of 677304842 is about 878.2026166742.

The spelling of 677304842 in words is "six hundred seventy-seven million, three hundred four thousand, eight hundred forty-two".