677475777 has 8 divisors (see below), whose sum is σ = 985419360. Its totient is φ = 410591360.

The previous prime is 677475749. The next prime is 677475779. The reversal of 677475777 is 777574776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677475777 - 2¹² = 677471681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677475779) 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 7 ways as a sum of consecutive naturals, for example, 10264752 + ... + 10264817.

It is an arithmetic number, because the mean of its divisors is an integer number (123177420).

Almost surely, 2^677475777 is an apocalyptic number.

It is an amenable number.

677475777 is a deficient number, since it is larger than the sum of its proper divisors (307943583).

677475777 is a wasteful number, since it uses less digits than its factorization.

677475777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529583.

The product of its digits is 14117880, while the sum is 57.

The square root of 677475777 is about 26028.3648545198. The cubic root of 677475777 is about 878.2764893374.

The spelling of 677475777 in words is "six hundred seventy-seven million, four hundred seventy-five thousand, seven hundred seventy-seven".