64391127 has 8 divisors (see below), whose sum is σ = 85895040. Its totient is φ = 42907320.

The previous prime is 64391111. The next prime is 64391147. The reversal of 64391127 is 72119346.

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

It is not a de Polignac number, because 64391127 - 2⁴ = 64391111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64391147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (10736880).

Almost surely, 2^64391127 is an apocalyptic number.

64391127 is a deficient number, since it is larger than the sum of its proper divisors (21503913).

64391127 is a wasteful number, since it uses less digits than its factorization.

64391127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053.

The product of its digits is 9072, while the sum is 33.

The square root of 64391127 is about 8024.4082024782. The cubic root of 64391127 is about 400.8131935868.

The spelling of 64391127 in words is "sixty-four million, three hundred ninety-one thousand, one hundred twenty-seven".