687601099 has 8 divisors (see below), whose sum is σ = 693205632. Its totient is φ = 682019520.

The previous prime is 687601097. The next prime is 687601141. The reversal of 687601099 is 990106786.

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

It is a cyclic number.

It is not a de Polignac number, because 687601099 - 2¹ = 687601097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687601097) 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, 57177 + ... + 68149.

It is an arithmetic number, because the mean of its divisors is an integer number (86650704).

Almost surely, 2^687601099 is an apocalyptic number.

687601099 is a deficient number, since it is larger than the sum of its proper divisors (5604533).

687601099 is a wasteful number, since it uses less digits than its factorization.

687601099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 687601099 is about 26222.1490156699. The cubic root of 687601099 is about 882.6303440973.

The spelling of 687601099 in words is "six hundred eighty-seven million, six hundred one thousand, ninety-nine".