86111507 has 2 divisors, whose sum is σ = 86111508. Its totient is φ = 86111506.

The previous prime is 86111497. The next prime is 86111513. The reversal of 86111507 is 70511168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86111507 - 2⁴ = 86111491 is a prime.

It is a super-2 number, since 2×86111507² = 14830383275622098, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86111507.

It is not a weakly prime, because it can be changed into another prime (86111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43055753 + 43055754.

It is an arithmetic number, because the mean of its divisors is an integer number (43055754).

Almost surely, 2^86111507 is an apocalyptic number.

86111507 is a deficient number, since it is larger than the sum of its proper divisors (1).

86111507 is an equidigital number, since it uses as much as digits as its factorization.

86111507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 86111507 is about 9279.6286024819. The cubic root of 86111507 is about 441.5911861202.

The spelling of 86111507 in words is "eighty-six million, one hundred eleven thousand, five hundred seven".