64885927 has 2 divisors, whose sum is σ = 64885928. Its totient is φ = 64885926.

The previous prime is 64885879. The next prime is 64885943. The reversal of 64885927 is 72958846.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64885927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64880927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32442963 + 32442964.

It is an arithmetic number, because the mean of its divisors is an integer number (32442964).

Almost surely, 2^64885927 is an apocalyptic number.

64885927 is a deficient number, since it is larger than the sum of its proper divisors (1).

64885927 is an equidigital number, since it uses as much as digits as its factorization.

64885927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 64885927 is about 8055.1801345470. The cubic root of 64885927 is about 401.8372297971.

The spelling of 64885927 in words is "sixty-four million, eight hundred eighty-five thousand, nine hundred twenty-seven".