677720392 has 16 divisors (see below), whose sum is σ = 1325975040. Its totient is φ = 324127056.

The previous prime is 677720383. The next prime is 677720413. The reversal of 677720392 is 293027776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841448 + ... + 1841815.

It is an arithmetic number, because the mean of its divisors is an integer number (82873440).

Almost surely, 2^677720392 is an apocalyptic number.

It is an amenable number.

677720392 is a deficient number, since it is larger than the sum of its proper divisors (648254648).

677720392 is a wasteful number, since it uses less digits than its factorization.

677720392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683292 (or 3683288 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 677720392 is about 26033.0634386351. The cubic root of 677720392 is about 878.3821825389.

The spelling of 677720392 in words is "six hundred seventy-seven million, seven hundred twenty thousand, three hundred ninety-two".