86051587 has 2 divisors, whose sum is σ = 86051588. Its totient is φ = 86051586.

The previous prime is 86051549. The next prime is 86051611. The reversal of 86051587 is 78515068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86051587 - 2¹⁵ = 86018819 is a prime.

It is not a weakly prime, because it can be changed into another prime (86051887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43025793 + 43025794.

It is an arithmetic number, because the mean of its divisors is an integer number (43025794).

Almost surely, 2^86051587 is an apocalyptic number.

86051587 is a deficient number, since it is larger than the sum of its proper divisors (1).

86051587 is an equidigital number, since it uses as much as digits as its factorization.

86051587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 86051587 is about 9276.3994631538. The cubic root of 86051587 is about 441.4887364611.

The spelling of 86051587 in words is "eighty-six million, fifty-one thousand, five hundred eighty-seven".