867455497 has 2 divisors, whose sum is σ = 867455498. Its totient is φ = 867455496.

The previous prime is 867455437. The next prime is 867455503. The reversal of 867455497 is 794554768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678915136 + 188540361 = 26056^2 + 13731^2 .

It is a cyclic number.

It is not a de Polignac number, because 867455497 - 2¹⁹ = 866931209 is a prime.

It is not a weakly prime, because it can be changed into another prime (867455437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433727748 + 433727749.

It is an arithmetic number, because the mean of its divisors is an integer number (433727749).

Almost surely, 2^867455497 is an apocalyptic number.

It is an amenable number.

867455497 is a deficient number, since it is larger than the sum of its proper divisors (1).

867455497 is an equidigital number, since it uses as much as digits as its factorization.

867455497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 55.

The square root of 867455497 is about 29452.5974576097. The cubic root of 867455497 is about 953.7086782093.

The spelling of 867455497 in words is "eight hundred sixty-seven million, four hundred fifty-five thousand, four hundred ninety-seven".