687227876 has 6 divisors (see below), whose sum is σ = 1202648790. Its totient is φ = 343613936.

The previous prime is 687227869. The next prime is 687227897. The reversal of 687227876 is 678722786.

687227876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 685182976 + 2044900 = 26176^2 + 1430^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85903481 + ... + 85903488.

It is an arithmetic number, because the mean of its divisors is an integer number (200441465).

Almost surely, 2^687227876 is an apocalyptic number.

It is an amenable number.

687227876 is a deficient number, since it is larger than the sum of its proper divisors (515420914).

687227876 is a wasteful number, since it uses less digits than its factorization.

687227876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171806973 (or 171806971 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 53.

The square root of 687227876 is about 26215.0314895863. The cubic root of 687227876 is about 882.4706208872.

The spelling of 687227876 in words is "six hundred eighty-seven million, two hundred twenty-seven thousand, eight hundred seventy-six".