80849567 has 2 divisors, whose sum is σ = 80849568. Its totient is φ = 80849566.

The previous prime is 80849507. The next prime is 80849611. The reversal of 80849567 is 76594808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80849567 - 2²⁶ = 13740703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80849507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40424783 + 40424784.

It is an arithmetic number, because the mean of its divisors is an integer number (40424784).

Almost surely, 2^80849567 is an apocalyptic number.

80849567 is a deficient number, since it is larger than the sum of its proper divisors (1).

80849567 is an equidigital number, since it uses as much as digits as its factorization.

80849567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 80849567 is about 8991.6387271732. The cubic root of 80849567 is about 432.4068508674.

The spelling of 80849567 in words is "eighty million, eight hundred forty-nine thousand, five hundred sixty-seven".