867438359 has 2 divisors, whose sum is σ = 867438360. Its totient is φ = 867438358.

The previous prime is 867438349. The next prime is 867438367. The reversal of 867438359 is 953834768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 867438359 - 2²⁴ = 850661143 is a prime.

It is a super-2 number, since 2×867438359² = 1504898613329225762, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 867438359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867438329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433719179 + 433719180.

It is an arithmetic number, because the mean of its divisors is an integer number (433719180).

Almost surely, 2^867438359 is an apocalyptic number.

867438359 is a deficient number, since it is larger than the sum of its proper divisors (1).

867438359 is an equidigital number, since it uses as much as digits as its factorization.

867438359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

The square root of 867438359 is about 29452.3065140916. The cubic root of 867438359 is about 953.7023974771.

The spelling of 867438359 in words is "eight hundred sixty-seven million, four hundred thirty-eight thousand, three hundred fifty-nine".