3671216687 has 2 divisors, whose sum is σ = 3671216688. Its totient is φ = 3671216686.

The previous prime is 3671216639. The next prime is 3671216699. The reversal of 3671216687 is 7866121763.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3671216687 - 2²⁴ = 3654439471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3671216617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835608343 + 1835608344.

It is an arithmetic number, because the mean of its divisors is an integer number (1835608344).

Almost surely, 2^3671216687 is an apocalyptic number.

3671216687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3671216687 is an equidigital number, since it uses as much as digits as its factorization.

3671216687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 3671216687 is about 60590.5659900945. The cubic root of 3671216687 is about 1542.6592451612.

The spelling of 3671216687 in words is "three billion, six hundred seventy-one million, two hundred sixteen thousand, six hundred eighty-seven".