86042511 has 6 divisors (see below), whose sum is σ = 124283640. Its totient is φ = 57361668.

The previous prime is 86042483. The next prime is 86042533. The reversal of 86042511 is 11524068.

86042511 is a `hidden beast` number, since 8 + 604 + 2 + 51 + 1 = 666.

It is not a de Polignac number, because 86042511 - 2⁶ = 86042447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86042611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4780131 + ... + 4780148.

It is an arithmetic number, because the mean of its divisors is an integer number (20713940).

Almost surely, 2^86042511 is an apocalyptic number.

86042511 is a deficient number, since it is larger than the sum of its proper divisors (38241129).

86042511 is a wasteful number, since it uses less digits than its factorization.

86042511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560285 (or 9560282 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 86042511 is about 9275.9102518297. The cubic root of 86042511 is about 441.4732144051.

Adding to 86042511 its reverse (11524068), we get a palindrome (97566579).

The spelling of 86042511 in words is "eighty-six million, forty-two thousand, five hundred eleven".