80417863 has 2 divisors, whose sum is σ = 80417864. Its totient is φ = 80417862.

The previous prime is 80417849. The next prime is 80417881. The reversal of 80417863 is 36871408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80417863 - 2¹³ = 80409671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80417263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40208931 + 40208932.

It is an arithmetic number, because the mean of its divisors is an integer number (40208932).

Almost surely, 2^80417863 is an apocalyptic number.

80417863 is a deficient number, since it is larger than the sum of its proper divisors (1).

80417863 is an equidigital number, since it uses as much as digits as its factorization.

80417863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 80417863 is about 8967.6007382131. The cubic root of 80417863 is about 431.6358510390.

The spelling of 80417863 in words is "eighty million, four hundred seventeen thousand, eight hundred sixty-three".