86820016 has 10 divisors (see below), whose sum is σ = 168213812. Its totient is φ = 43410000.

The previous prime is 86820011. The next prime is 86820029. The reversal of 86820016 is 61002868.

It is a self number, because there is not a number n which added to its sum of digits gives 86820016.

It is not an unprimeable number, because it can be changed into a prime (86820011) 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 as a sum of consecutive naturals, namely, 2713110 + ... + 2713141.

Almost surely, 2^86820016 is an apocalyptic number.

It is an amenable number.

86820016 is a deficient number, since it is larger than the sum of its proper divisors (81393796).

86820016 is a wasteful number, since it uses less digits than its factorization.

86820016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426259 (or 5426253 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 86820016 is about 9317.7259028156. The cubic root of 86820016 is about 442.7989888853.

The spelling of 86820016 in words is "eighty-six million, eight hundred twenty thousand, sixteen".