80854217 has 2 divisors, whose sum is σ = 80854218. Its totient is φ = 80854216.

The previous prime is 80854187. The next prime is 80854247. The reversal of 80854217 is 71245808.

It is a balanced prime because it is at equal distance from previous prime (80854187) and next prime (80854247).

It can be written as a sum of positive squares in only one way, i.e., 44142736 + 36711481 = 6644^2 + 6059^2 .

It is a cyclic number.

It is not a de Polignac number, because 80854217 - 2¹⁴ = 80837833 is a prime.

It is not a weakly prime, because it can be changed into another prime (80854247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40427108 + 40427109.

It is an arithmetic number, because the mean of its divisors is an integer number (40427109).

Almost surely, 2^80854217 is an apocalyptic number.

It is an amenable number.

80854217 is a deficient number, since it is larger than the sum of its proper divisors (1).

80854217 is an equidigital number, since it uses as much as digits as its factorization.

80854217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 80854217 is about 8991.8972970113. The cubic root of 80854217 is about 432.4151405565.

The spelling of 80854217 in words is "eighty million, eight hundred fifty-four thousand, two hundred seventeen".