800961769 has 2 divisors, whose sum is σ = 800961770. Its totient is φ = 800961768.

The previous prime is 800961737. The next prime is 800961793. The reversal of 800961769 is 967169008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638067600 + 162894169 = 25260^2 + 12763^2 .

It is a cyclic number.

It is not a de Polignac number, because 800961769 - 2⁵ = 800961737 is a prime.

It is a super-2 number, since 2×800961769² = 1283079510799218722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (800901769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400480884 + 400480885.

It is an arithmetic number, because the mean of its divisors is an integer number (400480885).

Almost surely, 2^800961769 is an apocalyptic number.

It is an amenable number.

800961769 is a deficient number, since it is larger than the sum of its proper divisors (1).

800961769 is an equidigital number, since it uses as much as digits as its factorization.

800961769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 800961769 is about 28301.2679751279. The cubic root of 800961769 is about 928.6896290975.

The spelling of 800961769 in words is "eight hundred million, nine hundred sixty-one thousand, seven hundred sixty-nine".