867659479 has 2 divisors, whose sum is σ = 867659480. Its totient is φ = 867659478.

The previous prime is 867659473. The next prime is 867659501. The reversal of 867659479 is 974956768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867659479 - 2¹¹ = 867657431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867659473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433829739 + 433829740.

It is an arithmetic number, because the mean of its divisors is an integer number (433829740).

Almost surely, 2^867659479 is an apocalyptic number.

867659479 is a deficient number, since it is larger than the sum of its proper divisors (1).

867659479 is an equidigital number, since it uses as much as digits as its factorization.

867659479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The square root of 867659479 is about 29456.0601404872. The cubic root of 867659479 is about 953.7834271571.

The spelling of 867659479 in words is "eight hundred sixty-seven million, six hundred fifty-nine thousand, four hundred seventy-nine".