1671672036887 has 2 divisors, whose sum is σ = 1671672036888. Its totient is φ = 1671672036886.

The previous prime is 1671672036871. The next prime is 1671672036913. The reversal of 1671672036887 is 7886302761761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1671672036887 - 2⁴ = 1671672036871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1671672036817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835836018443 + 835836018444.

It is an arithmetic number, because the mean of its divisors is an integer number (835836018444).

Almost surely, 2^{1671672036887} is an apocalyptic number.

1671672036887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671672036887 is an equidigital number, since it uses as much as digits as its factorization.

1671672036887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 1671672036887 in words is "one trillion, six hundred seventy-one billion, six hundred seventy-two million, thirty-six thousand, eight hundred eighty-seven".