800785151 has 2 divisors, whose sum is σ = 800785152. Its totient is φ = 800785150.

The previous prime is 800785123. The next prime is 800785171. The reversal of 800785151 is 151587008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800785151 - 2¹⁴ = 800768767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800785171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400392575 + 400392576.

It is an arithmetic number, because the mean of its divisors is an integer number (400392576).

Almost surely, 2^800785151 is an apocalyptic number.

800785151 is a deficient number, since it is larger than the sum of its proper divisors (1).

800785151 is an equidigital number, since it uses as much as digits as its factorization.

800785151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 800785151 is about 28298.1474835368. The cubic root of 800785151 is about 928.6213631000.

The spelling of 800785151 in words is "eight hundred million, seven hundred eighty-five thousand, one hundred fifty-one".