67253984827 has 4 divisors (see below), whose sum is σ = 67906936240. Its totient is φ = 66601033416.

The previous prime is 67253984803. The next prime is 67253984857. The reversal of 67253984827 is 72848935276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67253984827 - 2¹¹ = 67253982779 is a prime.

It is a super-2 number, since 2×67253984827² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67253984857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326475552 + ... + 326475757.

It is an arithmetic number, because the mean of its divisors is an integer number (16976734060).

Almost surely, 2^67253984827 is an apocalyptic number.

67253984827 is a deficient number, since it is larger than the sum of its proper divisors (652951413).

67253984827 is a wasteful number, since it uses less digits than its factorization.

67253984827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652951412.

The product of its digits is 40642560, while the sum is 61.

The spelling of 67253984827 in words is "sixty-seven billion, two hundred fifty-three million, nine hundred eighty-four thousand, eight hundred twenty-seven".