677909776 has 20 divisors (see below), whose sum is σ = 1315060300. Its totient is φ = 338539392.

The previous prime is 677909773. The next prime is 677909789.

677909776 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 548496400 + 129413376 = 23420^2 + 11376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677909776.

It is not an unprimeable number, because it can be changed into a prime (677909773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12291 + ... + 38818.

It is an arithmetic number, because the mean of its divisors is an integer number (65753015).

Almost surely, 2^677909776 is an apocalyptic number.

It is an amenable number.

677909776 is a deficient number, since it is larger than the sum of its proper divisors (637150524).

677909776 is a wasteful number, since it uses less digits than its factorization.

677909776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51946 (or 51940 counting only the distinct ones).

The product of its (nonzero) digits is 7001316, while the sum is 58.

The square root of 677909776 is about 26036.7005590186. The cubic root of 677909776 is about 878.4639940747.

The spelling of 677909776 in words is "six hundred seventy-seven million, nine hundred nine thousand, seven hundred seventy-six".