80010851 has 2 divisors, whose sum is σ = 80010852. Its totient is φ = 80010850.

The previous prime is 80010841. The next prime is 80010863. The reversal of 80010851 is 15801008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80010851 - 2⁶ = 80010787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80010841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40005425 + 40005426.

It is an arithmetic number, because the mean of its divisors is an integer number (40005426).

Almost surely, 2^80010851 is an apocalyptic number.

80010851 is a deficient number, since it is larger than the sum of its proper divisors (1).

80010851 is an equidigital number, since it uses as much as digits as its factorization.

80010851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 80010851 is about 8944.8784787721. The cubic root of 80010851 is about 430.9064186013.

Adding to 80010851 its reverse (15801008), we get a palindrome (95811859).

The spelling of 80010851 in words is "eighty million, ten thousand, eight hundred fifty-one".