677700777 has 16 divisors (see below), whose sum is σ = 980219520. Its totient is φ = 413999232.

The previous prime is 677700763. The next prime is 677700787. The reversal of 677700777 is 777007776.

It is not a de Polignac number, because 677700777 - 2⁶ = 677700713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677700787) 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, 58077 + ... + 68762.

It is an arithmetic number, because the mean of its divisors is an integer number (61263720).

Almost surely, 2^677700777 is an apocalyptic number.

It is an amenable number.

677700777 is a deficient number, since it is larger than the sum of its proper divisors (302518743).

677700777 is a wasteful number, since it uses less digits than its factorization.

677700777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126992.

The product of its (nonzero) digits is 705894, while the sum is 48.

The square root of 677700777 is about 26032.6867034503. The cubic root of 677700777 is about 878.3737082315.

The spelling of 677700777 in words is "six hundred seventy-seven million, seven hundred thousand, seven hundred seventy-seven".