802664867 has 2 divisors, whose sum is σ = 802664868. Its totient is φ = 802664866.

The previous prime is 802664801. The next prime is 802664893. The reversal of 802664867 is 768466208.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802664867 is a prime.

It is a super-2 number, since 2×802664867² = 1288541777432255378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (802664897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401332433 + 401332434.

It is an arithmetic number, because the mean of its divisors is an integer number (401332434).

Almost surely, 2^802664867 is an apocalyptic number.

802664867 is a deficient number, since it is larger than the sum of its proper divisors (1).

802664867 is an equidigital number, since it uses as much as digits as its factorization.

802664867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 802664867 is about 28331.3407201283. The cubic root of 802664867 is about 929.3473923868.

The spelling of 802664867 in words is "eight hundred two million, six hundred sixty-four thousand, eight hundred sixty-seven".