64846147 has 2 divisors, whose sum is σ = 64846148. Its totient is φ = 64846146.

The previous prime is 64846139. The next prime is 64846153. The reversal of 64846147 is 74164846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64846147 - 2³ = 64846139 is a prime.

It is not a weakly prime, because it can be changed into another prime (64846447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32423073 + 32423074.

It is an arithmetic number, because the mean of its divisors is an integer number (32423074).

Almost surely, 2^64846147 is an apocalyptic number.

64846147 is a deficient number, since it is larger than the sum of its proper divisors (1).

64846147 is an equidigital number, since it uses as much as digits as its factorization.

64846147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 64846147 is about 8052.7105374526. The cubic root of 64846147 is about 401.7550940986.

The spelling of 64846147 in words is "sixty-four million, eight hundred forty-six thousand, one hundred forty-seven".