800959667 has 4 divisors (see below), whose sum is σ = 819586680. Its totient is φ = 782332656.

The previous prime is 800959637. The next prime is 800959693. The reversal of 800959667 is 766959008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 800959667 - 2⁶ = 800959603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800959637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9313442 + ... + 9313527.

It is an arithmetic number, because the mean of its divisors is an integer number (204896670).

Almost surely, 2^800959667 is an apocalyptic number.

800959667 is a deficient number, since it is larger than the sum of its proper divisors (18627013).

800959667 is a wasteful number, since it uses less digits than its factorization.

800959667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18627012.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 800959667 is about 28301.2308389582. The cubic root of 800959667 is about 928.6888166962.

It can be divided in two parts, 8009 and 59667, that added together give a palindrome (67676).

The spelling of 800959667 in words is "eight hundred million, nine hundred fifty-nine thousand, six hundred sixty-seven".