64506331882 has 8 divisors (see below), whose sum is σ = 96779844000. Its totient is φ = 32246383884.

The previous prime is 64506331861. The next prime is 64506331889. The reversal of 64506331882 is 28813360546.

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

It is a super-2 number, since 2×64506331882² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64506331889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3379132 + ... + 3398167.

It is an arithmetic number, because the mean of its divisors is an integer number (12097480500).

Almost surely, 2^64506331882 is an apocalyptic number.

64506331882 is a deficient number, since it is larger than the sum of its proper divisors (32273512118).

64506331882 is a wasteful number, since it uses less digits than its factorization.

64506331882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782060.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 64506331882 in words is "sixty-four billion, five hundred six million, three hundred thirty-one thousand, eight hundred eighty-two".