64860860262 has 32 divisors (see below), whose sum is σ = 142185320064. Its totient is φ = 19561651200.

The previous prime is 64860860237. The next prime is 64860860417. The reversal of 64860860262 is 26206806846.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2314843 + ... + 2342694.

It is an arithmetic number, because the mean of its divisors is an integer number (4443291252).

Almost surely, 2^64860860262 is an apocalyptic number.

64860860262 is an abundant number, since it is smaller than the sum of its proper divisors (77324459802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64860860262 is a wasteful number, since it uses less digits than its factorization.

64860860262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657764.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 64860860262 in words is "sixty-four billion, eight hundred sixty million, eight hundred sixty thousand, two hundred sixty-two".