64888801 has 8 divisors (see below), whose sum is σ = 66363624. Its totient is φ = 63423360.

The previous prime is 64888799. The next prime is 64888823. The reversal of 64888801 is 10888846.

It can be written as a sum of positive squares in 4 ways, for example, as 44422225 + 20466576 = 6665^2 + 4524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64888801 - 2¹ = 64888799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64888871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12715 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (8295453).

Almost surely, 2^64888801 is an apocalyptic number.

It is an amenable number.

64888801 is a deficient number, since it is larger than the sum of its proper divisors (1474823).

64888801 is a wasteful number, since it uses less digits than its factorization.

64888801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 64888801 is about 8055.3585270924. The cubic root of 64888801 is about 401.8431625841.

The spelling of 64888801 in words is "sixty-four million, eight hundred eighty-eight thousand, eight hundred one".