64327427479 has 32 divisors (see below), whose sum is σ = 78629437440. Its totient is φ = 51437387232.

The previous prime is 64327427473. The next prime is 64327427497. The reversal of 64327427479 is 97472472346.

It is a happy number.

It is not a de Polignac number, because 64327427479 - 2⁹ = 64327426967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64327427473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179712 + ... + 1233034.

It is an arithmetic number, because the mean of its divisors is an integer number (2457169920).

Almost surely, 2^64327427479 is an apocalyptic number.

64327427479 is a deficient number, since it is larger than the sum of its proper divisors (14302009961).

64327427479 is a wasteful number, since it uses less digits than its factorization.

64327427479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53539.

The product of its digits is 14224896, while the sum is 55.

The spelling of 64327427479 in words is "sixty-four billion, three hundred twenty-seven million, four hundred twenty-seven thousand, four hundred seventy-nine".