687147314 has 32 divisors (see below), whose sum is σ = 1189284096. Its totient is φ = 291677760.

The previous prime is 687147283. The next prime is 687147337. The reversal of 687147314 is 413741786.

It is a super-2 number, since 2×687147314² = 944342862274829192, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 944819 + ... + 945545.

It is an arithmetic number, because the mean of its divisors is an integer number (37165128).

Almost surely, 2^687147314 is an apocalyptic number.

687147314 is a deficient number, since it is larger than the sum of its proper divisors (502136782).

687147314 is a wasteful number, since it uses less digits than its factorization.

687147314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its digits is 112896, while the sum is 41.

The square root of 687147314 is about 26213.4948833611. The cubic root of 687147314 is about 882.4361362672.

The spelling of 687147314 in words is "six hundred eighty-seven million, one hundred forty-seven thousand, three hundred fourteen".