7213667246887 has 2 divisors, whose sum is σ = 7213667246888. Its totient is φ = 7213667246886.

The previous prime is 7213667246873. The next prime is 7213667246959. The reversal of 7213667246887 is 7886427663127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7213667246887 - 2¹⁹ = 7213666722599 is a prime.

It is a super-2 number, since 2×7213667246887² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7213667246827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606833623443 + 3606833623444.

It is an arithmetic number, because the mean of its divisors is an integer number (3606833623444).

Almost surely, 2^{7213667246887} is an apocalyptic number.

7213667246887 is a deficient number, since it is larger than the sum of its proper divisors (1).

7213667246887 is an equidigital number, since it uses as much as digits as its factorization.

7213667246887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 227598336, while the sum is 67.

The spelling of 7213667246887 in words is "seven trillion, two hundred thirteen billion, six hundred sixty-seven million, two hundred forty-six thousand, eight hundred eighty-seven".