64419827 has 2 divisors, whose sum is σ = 64419828. Its totient is φ = 64419826.

The previous prime is 64419811. The next prime is 64419841. The reversal of 64419827 is 72891446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64419827 - 2⁴ = 64419811 is a prime.

It is a super-2 number, since 2×64419827² = 8299828221419858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64419847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32209913 + 32209914.

It is an arithmetic number, because the mean of its divisors is an integer number (32209914).

Almost surely, 2^64419827 is an apocalyptic number.

64419827 is a deficient number, since it is larger than the sum of its proper divisors (1).

64419827 is an equidigital number, since it uses as much as digits as its factorization.

64419827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 64419827 is about 8026.1962971261. The cubic root of 64419827 is about 400.8727340367.

The spelling of 64419827 in words is "sixty-four million, four hundred nineteen thousand, eight hundred twenty-seven".