687829314 has 16 divisors (see below), whose sum is σ = 1377447552. Its totient is φ = 228978288.

The previous prime is 687829313. The next prime is 687829321. The reversal of 687829314 is 413928786.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (687829313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69514 + ... + 78789.

It is an arithmetic number, because the mean of its divisors is an integer number (86090472).

Almost surely, 2^687829314 is an apocalyptic number.

687829314 is an abundant number, since it is smaller than the sum of its proper divisors (689618238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687829314 is a wasteful number, since it uses less digits than its factorization.

687829314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149081.

The product of its digits is 580608, while the sum is 48.

The square root of 687829314 is about 26226.5002240101. The cubic root of 687829314 is about 882.7279817167.

The spelling of 687829314 in words is "six hundred eighty-seven million, eight hundred twenty-nine thousand, three hundred fourteen".