1687061327 has 6 divisors (see below), whose sum is σ = 1962499968. Its totient is φ = 1446052524.

The previous prime is 1687061263. The next prime is 1687061329. The reversal of 1687061327 is 7231607861.

It is not a de Polignac number, because 1687061327 - 2⁶ = 1687061263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687061329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17214863 + ... + 17214960.

It is an arithmetic number, because the mean of its divisors is an integer number (327083328).

Almost surely, 2^1687061327 is an apocalyptic number.

1687061327 is a deficient number, since it is larger than the sum of its proper divisors (275438641).

1687061327 is an equidigital number, since it uses as much as digits as its factorization.

1687061327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34429837 (or 34429830 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1687061327 is about 41073.8521081235. The cubic root of 1687061327 is about 1190.4476170754.

The spelling of 1687061327 in words is "one billion, six hundred eighty-seven million, sixty-one thousand, three hundred twenty-seven".