687027036 has 12 divisors (see below), whose sum is σ = 1603063112. Its totient is φ = 229009008.

The previous prime is 687027031. The next prime is 687027067. The reversal of 687027036 is 630720786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×687027036² = 944012296389890592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 687026985 and 687027003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687027031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28626115 + ... + 28626138.

Almost surely, 2^687027036 is an apocalyptic number.

It is an amenable number.

687027036 is an abundant number, since it is smaller than the sum of its proper divisors (916036076).

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

687027036 is a wasteful number, since it uses less digits than its factorization.

687027036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57252260 (or 57252258 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 687027036 is about 26211.2005829569. The cubic root of 687027036 is about 882.3846461695.

The spelling of 687027036 in words is "six hundred eighty-seven million, twenty-seven thousand, thirty-six".