60664537847 has 4 divisors (see below), whose sum is σ = 63857408280. Its totient is φ = 57471667416.

The previous prime is 60664537831. The next prime is 60664537849. The reversal of 60664537847 is 74873546606.

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 60664537847 - 2⁴ = 60664537831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60664537792 and 60664537801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60664537849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596435188 + ... + 1596435225.

It is an arithmetic number, because the mean of its divisors is an integer number (15964352070).

Almost surely, 2^60664537847 is an apocalyptic number.

60664537847 is a deficient number, since it is larger than the sum of its proper divisors (3192870433).

60664537847 is a wasteful number, since it uses less digits than its factorization.

60664537847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192870432.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 60664537847 in words is "sixty billion, six hundred sixty-four million, five hundred thirty-seven thousand, eight hundred forty-seven".