86216766880 has 24 divisors (see below), whose sum is σ = 203687112132. Its totient is φ = 34486706688.

The previous prime is 86216766871. The next prime is 86216766943. The reversal of 86216766880 is 8866761268.

It can be written as a sum of positive squares in 2 ways, for example, as 79688773264 + 6527993616 = 282292^2 + 80796^2 .

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 3 ways as a sum of consecutive naturals, for example, 269427237 + ... + 269427556.

Almost surely, 2^86216766880 is an apocalyptic number.

86216766880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86216766880 is an abundant number, since it is smaller than the sum of its proper divisors (117470345252).

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

86216766880 is a wasteful number, since it uses less digits than its factorization.

86216766880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538854808 (or 538854800 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 86216766880 in words is "eighty-six billion, two hundred sixteen million, seven hundred sixty-six thousand, eight hundred eighty".