65020086 has 12 divisors (see below), whose sum is σ = 140876892. Its totient is φ = 21673356.

The previous prime is 65020069. The next prime is 65020091. The reversal of 65020086 is 68002056.

65020086 is a `hidden beast` number, since 650 + 2 + 0 + 0 + 8 + 6 = 666.

It is a super-2 number, since 2×65020086² = 8455223166894792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1806096 + ... + 1806131.

It is an arithmetic number, because the mean of its divisors is an integer number (11739741).

Almost surely, 2^65020086 is an apocalyptic number.

65020086 is an abundant number, since it is smaller than the sum of its proper divisors (75856806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65020086 is a wasteful number, since it uses less digits than its factorization.

65020086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612235 (or 3612232 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65020086 is about 8063.5033329193. The cubic root of 65020086 is about 402.1139871308.

It can be divided in two parts, 650 and 20086, that added together give a 4-th power (20736 = 12⁴).

The spelling of 65020086 in words is "sixty-five million, twenty thousand, eighty-six".