65078382213 has 24 divisors (see below), whose sum is σ = 101792370680. Its totient is φ = 39826961280.

The previous prime is 65078382211. The next prime is 65078382253. The reversal of 65078382213 is 31228387056.

65078382213 is a `hidden beast` number, since 6 + 50 + 7 + 8 + 382 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14623339329 + 50455042884 = 120927^2 + 224622^2 .

It is not a de Polignac number, because 65078382213 - 2¹ = 65078382211 is a prime.

It is a super-2 number, since 2×65078382213² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65078382211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515358 + ... + 1557711.

Almost surely, 2^65078382213 is an apocalyptic number.

It is an amenable number.

65078382213 is a deficient number, since it is larger than the sum of its proper divisors (36713988467).

65078382213 is a wasteful number, since it uses less digits than its factorization.

65078382213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073269 (or 3073266 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 65078382213 in words is "sixty-five billion, seventy-eight million, three hundred eighty-two thousand, two hundred thirteen".