867021540937 has 2 divisors, whose sum is σ = 867021540938. Its totient is φ = 867021540936.

The previous prime is 867021540923. The next prime is 867021540953. The reversal of 867021540937 is 739045120768.

867021540937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662171160121 + 204850380816 = 813739^2 + 452604^2 .

It is a cyclic number.

It is not a de Polignac number, because 867021540937 - 2¹⁵ = 867021508169 is a prime.

It is not a weakly prime, because it can be changed into another prime (867021540967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433510770468 + 433510770469.

It is an arithmetic number, because the mean of its divisors is an integer number (433510770469).

It is a 1-persistent number, because it is pandigital, but 2⋅867021540937 = 1734043081874 is not.

Almost surely, 2^867021540937 is an apocalyptic number.

It is an amenable number.

867021540937 is a deficient number, since it is larger than the sum of its proper divisors (1).

867021540937 is an equidigital number, since it uses as much as digits as its factorization.

867021540937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 867021540937 in words is "eight hundred sixty-seven billion, twenty-one million, five hundred forty thousand, nine hundred thirty-seven".