86834882784 has 48 divisors (see below), whose sum is σ = 245475537552. Its totient is φ = 26718425088.

The previous prime is 86834882773. The next prime is 86834882807. The reversal of 86834882784 is 48728843868.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×86834882784² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34788369 + ... + 34790864.

It is an arithmetic number, because the mean of its divisors is an integer number (5114073699).

Almost surely, 2^86834882784 is an apocalyptic number.

It is an amenable number.

86834882784 is an abundant number, since it is smaller than the sum of its proper divisors (158640654768).

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

86834882784 is a wasteful number, since it uses less digits than its factorization.

86834882784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69579259 (or 69579251 counting only the distinct ones).

The product of its digits is 132120576, while the sum is 66.

The spelling of 86834882784 in words is "eighty-six billion, eight hundred thirty-four million, eight hundred eighty-two thousand, seven hundred eighty-four".