687354099 has 8 divisors (see below), whose sum is σ = 923688960. Its totient is φ = 454627656.

The previous prime is 687354077. The next prime is 687354119. The reversal of 687354099 is 990453786.

687354099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 687354099 - 2⁵ = 687354067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (687358099) 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, 901659 + ... + 902420.

It is an arithmetic number, because the mean of its divisors is an integer number (115461120).

Almost surely, 2^687354099 is an apocalyptic number.

687354099 is a deficient number, since it is larger than the sum of its proper divisors (236334861).

687354099 is a wasteful number, since it uses less digits than its factorization.

687354099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804209.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 687354099 is about 26217.4388337229. The cubic root of 687354099 is about 882.5246453111.

The spelling of 687354099 in words is "six hundred eighty-seven million, three hundred fifty-four thousand, ninety-nine".