65280086 has 16 divisors (see below), whose sum is σ = 105269760. Its totient is φ = 30263400.

The previous prime is 65280053. The next prime is 65280091. The reversal of 65280086 is 68008256.

It is a super-2 number, since 2×65280086² = 8522979256334792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16490 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (6579360).

Almost surely, 2^65280086 is an apocalyptic number.

65280086 is a deficient number, since it is larger than the sum of its proper divisors (39989674).

65280086 is a wasteful number, since it uses less digits than its factorization.

65280086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36619.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 65280086 is about 8079.6092727310. The cubic root of 65280086 is about 402.6492606409.

The spelling of 65280086 in words is "sixty-five million, two hundred eighty thousand, eighty-six".