64880567464 has 16 divisors (see below), whose sum is σ = 122379516000. Its totient is φ = 32246029872.

The previous prime is 64880567447. The next prime is 64880567489. The reversal of 64880567464 is 46476508846.

It is a junction number, because it is equal to n+sod(n) for n = 64880567399 and 64880567408.

It is an unprimeable number.

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, 24280314 + ... + 24282985.

It is an arithmetic number, because the mean of its divisors is an integer number (7648719750).

Almost surely, 2^64880567464 is an apocalyptic number.

It is an amenable number.

64880567464 is a deficient number, since it is larger than the sum of its proper divisors (57498948536).

64880567464 is a wasteful number, since it uses less digits than its factorization.

64880567464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48563472 (or 48563468 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 64880567464 in words is "sixty-four billion, eight hundred eighty million, five hundred sixty-seven thousand, four hundred sixty-four".