64928107 has 2 divisors, whose sum is σ = 64928108. Its totient is φ = 64928106.

The previous prime is 64928063. The next prime is 64928137. The reversal of 64928107 is 70182946.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64928107 is a prime.

It is not a weakly prime, because it can be changed into another prime (64928137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32464053 + 32464054.

It is an arithmetic number, because the mean of its divisors is an integer number (32464054).

Almost surely, 2^64928107 is an apocalyptic number.

64928107 is a deficient number, since it is larger than the sum of its proper divisors (1).

64928107 is an equidigital number, since it uses as much as digits as its factorization.

64928107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 64928107 is about 8057.7979001710. The cubic root of 64928107 is about 401.9242842310.

The spelling of 64928107 in words is "sixty-four million, nine hundred twenty-eight thousand, one hundred seven".