64987530582 has 16 divisors (see below), whose sum is σ = 139973142960. Its totient is φ = 19996163232.

The previous prime is 64987530563. The next prime is 64987530661. The reversal of 64987530582 is 28503578946.

It is a super-2 number, since 2×64987530582² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 416586657 + ... + 416586812.

It is an arithmetic number, because the mean of its divisors is an integer number (8748321435).

Almost surely, 2^64987530582 is an apocalyptic number.

64987530582 is an abundant number, since it is smaller than the sum of its proper divisors (74985612378).

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

64987530582 is a wasteful number, since it uses less digits than its factorization.

64987530582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833173487.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 64987530582 in words is "sixty-four billion, nine hundred eighty-seven million, five hundred thirty thousand, five hundred eighty-two".