80256487 has 2 divisors, whose sum is σ = 80256488. Its totient is φ = 80256486.

The previous prime is 80256479. The next prime is 80256511. The reversal of 80256487 is 78465208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80256487 - 2³ = 80256479 is a prime.

It is a super-2 number, since 2×80256487² = 12882207411162338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80256287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40128243 + 40128244.

It is an arithmetic number, because the mean of its divisors is an integer number (40128244).

Almost surely, 2^80256487 is an apocalyptic number.

80256487 is a deficient number, since it is larger than the sum of its proper divisors (1).

80256487 is an equidigital number, since it uses as much as digits as its factorization.

80256487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 80256487 is about 8958.5984953005. The cubic root of 80256487 is about 431.3469338357.

The spelling of 80256487 in words is "eighty million, two hundred fifty-six thousand, four hundred eighty-seven".