80851411 has 2 divisors, whose sum is σ = 80851412. Its totient is φ = 80851410.

The previous prime is 80851363. The next prime is 80851469. The reversal of 80851411 is 11415808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80851411 - 2¹³ = 80843219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80851411.

It is not a weakly prime, because it can be changed into another prime (80851471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40425705 + 40425706.

It is an arithmetic number, because the mean of its divisors is an integer number (40425706).

Almost surely, 2^80851411 is an apocalyptic number.

80851411 is a deficient number, since it is larger than the sum of its proper divisors (1).

80851411 is an equidigital number, since it uses as much as digits as its factorization.

80851411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 80851411 is about 8991.7412662954. The cubic root of 80851411 is about 432.4101382574.

The spelling of 80851411 in words is "eighty million, eight hundred fifty-one thousand, four hundred eleven".