86532487 has 2 divisors, whose sum is σ = 86532488. Its totient is φ = 86532486.

The previous prime is 86532451. The next prime is 86532497. The reversal of 86532487 is 78423568.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86532487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86532437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43266243 + 43266244.

It is an arithmetic number, because the mean of its divisors is an integer number (43266244).

Almost surely, 2^86532487 is an apocalyptic number.

86532487 is a deficient number, since it is larger than the sum of its proper divisors (1).

86532487 is an equidigital number, since it uses as much as digits as its factorization.

86532487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 86532487 is about 9302.2839668546. The cubic root of 86532487 is about 442.3096303063.

The spelling of 86532487 in words is "eighty-six million, five hundred thirty-two thousand, four hundred eighty-seven".