938587949778671 has 2 divisors, whose sum is σ = 938587949778672. Its totient is φ = 938587949778670.

The previous prime is 938587949778613. The next prime is 938587949778679. The reversal of 938587949778671 is 176877949785839.

938587949778671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938587949778671 - 2⁴² = 934189903267567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938587949778679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469293974889335 + 469293974889336.

It is an arithmetic number, because the mean of its divisors is an integer number (469293974889336).

Almost surely, 2^{938587949778671} is an apocalyptic number.

938587949778671 is a deficient number, since it is larger than the sum of its proper divisors (1).

938587949778671 is an equidigital number, since it uses as much as digits as its factorization.

938587949778671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322620641280, while the sum is 98.

The spelling of 938587949778671 in words is "nine hundred thirty-eight trillion, five hundred eighty-seven billion, nine hundred forty-nine million, seven hundred seventy-eight thousand, six hundred seventy-one".