86065775 has 6 divisors (see below), whose sum is σ = 106721592. Its totient is φ = 68852600.

The previous prime is 86065769. The next prime is 86065807. The reversal of 86065775 is 57756068.

It is not a de Polignac number, because 86065775 - 2¹⁰ = 86064751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1721291 + ... + 1721340.

It is an arithmetic number, because the mean of its divisors is an integer number (17786932).

Almost surely, 2^86065775 is an apocalyptic number.

86065775 is a deficient number, since it is larger than the sum of its proper divisors (20655817).

86065775 is a wasteful number, since it uses less digits than its factorization.

86065775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442641 (or 3442636 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 86065775 is about 9277.1641679988. The cubic root of 86065775 is about 441.5129990311.

The spelling of 86065775 in words is "eighty-six million, sixty-five thousand, seven hundred seventy-five".