86447927808 has 800 divisors, whose sum is σ = 304161568128. Its totient is φ = 24153292800.

The previous prime is 86447927807. The next prime is 86447927821. The reversal of 86447927808 is 80872974468.

86447927808 is a `hidden beast` number, since 8 + 64 + 479 + 27 + 80 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (86447927801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 550623666 + ... + 550623822.

Almost surely, 2^86447927808 is an apocalyptic number.

86447927808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86447927808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152080784064).

86447927808 is an abundant number, since it is smaller than the sum of its proper divisors (217713640320).

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

86447927808 is a wasteful number, since it uses less digits than its factorization.

86447927808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 86447927808 in words is "eighty-six billion, four hundred forty-seven million, nine hundred twenty-seven thousand, eight hundred eight".