86624484820 has 48 divisors (see below), whose sum is σ = 188607057408. Its totient is φ = 33384286080.

The previous prime is 86624484763. The next prime is 86624484883. The reversal of 86624484820 is 2848442668.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167007 + ... + 448486.

It is an arithmetic number, because the mean of its divisors is an integer number (3929313696).

Almost surely, 2^86624484820 is an apocalyptic number.

It is an amenable number.

86624484820 is an abundant number, since it is smaller than the sum of its proper divisors (101982572588).

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

86624484820 is a wasteful number, since it uses less digits than its factorization.

86624484820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615760 (or 615758 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 86624484820 in words is "eighty-six billion, six hundred twenty-four million, four hundred eighty-four thousand, eight hundred twenty".