86556760812 has 96 divisors (see below), whose sum is σ = 228375383040. Its totient is φ = 28343165760.

The previous prime is 86556760811. The next prime is 86556760813. The reversal of 86556760812 is 21806765568.

86556760812 is a `hidden beast` number, since 8 + 6 + 5 + 567 + 60 + 8 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (86556760811) and next prime (86556760813).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (86556760811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5440333 + ... + 5456219.

It is an arithmetic number, because the mean of its divisors is an integer number (2378910240).

Almost surely, 2^86556760812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86556760812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114187691520).

86556760812 is an abundant number, since it is smaller than the sum of its proper divisors (141818622228).

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

86556760812 is a wasteful number, since it uses less digits than its factorization.

86556760812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788 (or 16780 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 86556760812 in words is "eighty-six billion, five hundred fifty-six million, seven hundred sixty thousand, eight hundred twelve".