64974480027 has 8 divisors (see below), whose sum is σ = 86716509264. Its totient is φ = 43274385408.

The previous prime is 64974480013. The next prime is 64974480037. The reversal of 64974480027 is 72008447946.

It is a happy number.

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

It is not a de Polignac number, because 64974480027 - 2¹² = 64974475931 is a prime.

It is a super-3 number, since 3×64974480027³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64974480037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10480038 + ... + 10486235.

It is an arithmetic number, because the mean of its divisors is an integer number (10839563658).

Almost surely, 2^64974480027 is an apocalyptic number.

64974480027 is a deficient number, since it is larger than the sum of its proper divisors (21742029237).

64974480027 is a wasteful number, since it uses less digits than its factorization.

64974480027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20967309.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 64974480027 in words is "sixty-four billion, nine hundred seventy-four million, four hundred eighty thousand, twenty-seven".