867250487 has 2 divisors, whose sum is σ = 867250488. Its totient is φ = 867250486.

The previous prime is 867250469. The next prime is 867250541. The reversal of 867250487 is 784052768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867250487 - 2¹⁰ = 867249463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867250987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433625243 + 433625244.

It is an arithmetic number, because the mean of its divisors is an integer number (433625244).

Almost surely, 2^867250487 is an apocalyptic number.

867250487 is a deficient number, since it is larger than the sum of its proper divisors (1).

867250487 is an equidigital number, since it uses as much as digits as its factorization.

867250487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 867250487 is about 29449.1169137548. The cubic root of 867250487 is about 953.6335407444.

The spelling of 867250487 in words is "eight hundred sixty-seven million, two hundred fifty thousand, four hundred eighty-seven".