64880011 has 4 divisors (see below), whose sum is σ = 74148592. Its totient is φ = 55611432.

The previous prime is 64879963. The next prime is 64880059. The reversal of 64880011 is 11008846.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64879963) and next prime (64880059).

It is a cyclic number.

It is not a de Polignac number, because 64880011 - 2⁷ = 64879883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64880111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634280 + ... + 4634293.

It is an arithmetic number, because the mean of its divisors is an integer number (18537148).

Almost surely, 2^64880011 is an apocalyptic number.

64880011 is a deficient number, since it is larger than the sum of its proper divisors (9268581).

64880011 is an equidigital number, since it uses as much as digits as its factorization.

64880011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268580.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 64880011 is about 8054.8129090625. The cubic root of 64880011 is about 401.8250168699.

Adding to 64880011 its reverse (11008846), we get a palindrome (75888857).

The spelling of 64880011 in words is "sixty-four million, eight hundred eighty thousand, eleven".