64836847 has 2 divisors, whose sum is σ = 64836848. Its totient is φ = 64836846.

The previous prime is 64836823. The next prime is 64836857. The reversal of 64836847 is 74863846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64836847 - 2⁷ = 64836719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64836797 and 64836806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64836817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32418423 + 32418424.

It is an arithmetic number, because the mean of its divisors is an integer number (32418424).

Almost surely, 2^64836847 is an apocalyptic number.

64836847 is a deficient number, since it is larger than the sum of its proper divisors (1).

64836847 is an equidigital number, since it uses as much as digits as its factorization.

64836847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The square root of 64836847 is about 8052.1330714290. The cubic root of 64836847 is about 401.7358870926.

The spelling of 64836847 in words is "sixty-four million, eight hundred thirty-six thousand, eight hundred forty-seven".