64988801 has 2 divisors, whose sum is σ = 64988802. Its totient is φ = 64988800.

The previous prime is 64988771. The next prime is 64988843. The reversal of 64988801 is 10888946.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33640000 + 31348801 = 5800^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 64988801 - 2¹⁰ = 64987777 is a prime.

It is not a weakly prime, because it can be changed into another prime (64988201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32494400 + 32494401.

It is an arithmetic number, because the mean of its divisors is an integer number (32494401).

Almost surely, 2^64988801 is an apocalyptic number.

It is an amenable number.

64988801 is a deficient number, since it is larger than the sum of its proper divisors (1).

64988801 is an equidigital number, since it uses as much as digits as its factorization.

64988801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 64988801 is about 8061.5631858840. The cubic root of 64988801 is about 402.0494831953.

The spelling of 64988801 in words is "sixty-four million, nine hundred eighty-eight thousand, eight hundred one".