64479707 has 2 divisors, whose sum is σ = 64479708. Its totient is φ = 64479706.

The previous prime is 64479689. The next prime is 64479719. The reversal of 64479707 is 70797446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64479707 - 2⁸ = 64479451 is a prime.

It is a super-2 number, since 2×64479707² = 8315265229611698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64475707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32239853 + 32239854.

It is an arithmetic number, because the mean of its divisors is an integer number (32239854).

Almost surely, 2^64479707 is an apocalyptic number.

64479707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64479707 is an equidigital number, since it uses as much as digits as its factorization.

64479707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 64479707 is about 8029.9257157212. The cubic root of 64479707 is about 400.9969029804.

The spelling of 64479707 in words is "sixty-four million, four hundred seventy-nine thousand, seven hundred seven".