800869037 has 2 divisors, whose sum is σ = 800869038. Its totient is φ = 800869036.

The previous prime is 800869021. The next prime is 800869051. The reversal of 800869037 is 730968008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 575088361 + 225780676 = 23981^2 + 15026^2 .

It is a cyclic number.

It is not a de Polignac number, because 800869037 - 2⁴ = 800869021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 800868985 and 800869003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800869837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400434518 + 400434519.

It is an arithmetic number, because the mean of its divisors is an integer number (400434519).

Almost surely, 2^800869037 is an apocalyptic number.

It is an amenable number.

800869037 is a deficient number, since it is larger than the sum of its proper divisors (1).

800869037 is an equidigital number, since it uses as much as digits as its factorization.

800869037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 800869037 is about 28299.6296265517. The cubic root of 800869037 is about 928.6537877820.

The spelling of 800869037 in words is "eight hundred million, eight hundred sixty-nine thousand, thirty-seven".