864626467 has 2 divisors, whose sum is σ = 864626468. Its totient is φ = 864626466.

The previous prime is 864626461. The next prime is 864626479. The reversal of 864626467 is 764626468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864626467 - 2³ = 864626459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864626467.

It is not a weakly prime, because it can be changed into another prime (864626461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432313233 + 432313234.

It is an arithmetic number, because the mean of its divisors is an integer number (432313234).

Almost surely, 2^864626467 is an apocalyptic number.

864626467 is a deficient number, since it is larger than the sum of its proper divisors (1).

864626467 is an equidigital number, since it uses as much as digits as its factorization.

864626467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 49.

The square root of 864626467 is about 29404.5314024897. The cubic root of 864626467 is about 952.6707733382.

Subtracting from 864626467 its reverse (764626468), we obtain a palindrome (99999999).

It can be divided in two parts, 86462 and 6467, that added together give a palindrome (92929).

The spelling of 864626467 in words is "eight hundred sixty-four million, six hundred twenty-six thousand, four hundred sixty-seven".