80662987 has 2 divisors, whose sum is σ = 80662988. Its totient is φ = 80662986.

The previous prime is 80662973. The next prime is 80662991. The reversal of 80662987 is 78926608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80662987 - 2¹¹ = 80660939 is a prime.

It is not a weakly prime, because it can be changed into another prime (80662927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40331493 + 40331494.

It is an arithmetic number, because the mean of its divisors is an integer number (40331494).

Almost surely, 2^80662987 is an apocalyptic number.

80662987 is a deficient number, since it is larger than the sum of its proper divisors (1).

80662987 is an equidigital number, since it uses as much as digits as its factorization.

80662987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 80662987 is about 8981.2575400108. The cubic root of 80662987 is about 432.0739667443.

The spelling of 80662987 in words is "eighty million, six hundred sixty-two thousand, nine hundred eighty-seven".