800116477 has 2 divisors, whose sum is σ = 800116478. Its totient is φ = 800116476.

The previous prime is 800116469. The next prime is 800116529. The reversal of 800116477 is 774611008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735168996 + 64947481 = 27114^2 + 8059^2 .

It is a cyclic number.

It is not a de Polignac number, because 800116477 - 2³ = 800116469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800116777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400058238 + 400058239.

It is an arithmetic number, because the mean of its divisors is an integer number (400058239).

Almost surely, 2^800116477 is an apocalyptic number.

It is an amenable number.

800116477 is a deficient number, since it is larger than the sum of its proper divisors (1).

800116477 is an equidigital number, since it uses as much as digits as its factorization.

800116477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 800116477 is about 28286.3302144340. The cubic root of 800116477 is about 928.3628177314.

The spelling of 800116477 in words is "eight hundred million, one hundred sixteen thousand, four hundred seventy-seven".