673280977 has 16 divisors (see below), whose sum is σ = 693266112. Its totient is φ = 653690880.

The previous prime is 673280957. The next prime is 673280981. The reversal of 673280977 is 779082376.

It is a cyclic number.

It is not a de Polignac number, because 673280977 - 2¹¹ = 673278929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673280977.

It is not an unprimeable number, because it can be changed into a prime (673280957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940118 + ... + 1940464.

It is an arithmetic number, because the mean of its divisors is an integer number (43329132).

Almost surely, 2^673280977 is an apocalyptic number.

It is an amenable number.

673280977 is a deficient number, since it is larger than the sum of its proper divisors (19985135).

673280977 is a wasteful number, since it uses less digits than its factorization.

673280977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 673280977 is about 25947.6584107314. The cubic root of 673280977 is about 876.4600286121.

The spelling of 673280977 in words is "six hundred seventy-three million, two hundred eighty thousand, nine hundred seventy-seven".