80807047 has 2 divisors, whose sum is σ = 80807048. Its totient is φ = 80807046.

The previous prime is 80807039. The next prime is 80807081. The reversal of 80807047 is 74070808.

It is an a-pointer prime, because the next prime (80807081) can be obtained adding 80807047 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80807047 - 2³ = 80807039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80807347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40403523 + 40403524.

It is an arithmetic number, because the mean of its divisors is an integer number (40403524).

Almost surely, 2^80807047 is an apocalyptic number.

80807047 is a deficient number, since it is larger than the sum of its proper divisors (1).

80807047 is an equidigital number, since it uses as much as digits as its factorization.

80807047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 80807047 is about 8989.2739973815. The cubic root of 80807047 is about 432.3310344919.

The spelling of 80807047 in words is "eighty million, eight hundred seven thousand, forty-seven".