84530681064 has 48 divisors (see below), whose sum is σ = 228950841600. Its totient is φ = 28175222304.

The previous prime is 84530681057. The next prime is 84530681071. The reversal of 84530681064 is 46018603548.

84530681064 is a `hidden beast` number, since 8 + 4 + 530 + 6 + 8 + 106 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (84530681057) and next prime (84530681071).

It is a super-2 number, since 2×84530681064² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2040057 + ... + 2081079.

It is an arithmetic number, because the mean of its divisors is an integer number (4769809200).

Almost surely, 2^84530681064 is an apocalyptic number.

It is an amenable number.

84530681064 is an abundant number, since it is smaller than the sum of its proper divisors (144420160536).

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

84530681064 is a wasteful number, since it uses less digits than its factorization.

84530681064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69654 (or 69647 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 84530681064 in words is "eighty-four billion, five hundred thirty million, six hundred eighty-one thousand, sixty-four".