64107971 has 2 divisors, whose sum is σ = 64107972. Its totient is φ = 64107970.

The previous prime is 64107941. The next prime is 64107991. The reversal of 64107971 is 17970146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64107971 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64107941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32053985 + 32053986.

It is an arithmetic number, because the mean of its divisors is an integer number (32053986).

Almost surely, 2^64107971 is an apocalyptic number.

64107971 is a deficient number, since it is larger than the sum of its proper divisors (1).

64107971 is an equidigital number, since it uses as much as digits as its factorization.

64107971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 64107971 is about 8006.7453437711. The cubic root of 64107971 is about 400.2248132072.

The spelling of 64107971 in words is "sixty-four million, one hundred seven thousand, nine hundred seventy-one".