82406065 has 8 divisors (see below), whose sum is σ = 113014080. Its totient is φ = 56506992.

The previous prime is 82406057. The next prime is 82406069. The reversal of 82406065 is 56060428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82406065 - 2³ = 82406057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82406069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177195 + ... + 1177264.

It is an arithmetic number, because the mean of its divisors is an integer number (14126760).

Almost surely, 2^82406065 is an apocalyptic number.

It is an amenable number.

82406065 is a deficient number, since it is larger than the sum of its proper divisors (30608015).

82406065 is a wasteful number, since it uses less digits than its factorization.

82406065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354471.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 82406065 is about 9077.7786379709. The cubic root of 82406065 is about 435.1640989192.

The spelling of 82406065 in words is "eighty-two million, four hundred six thousand, sixty-five".