86182820988 has 48 divisors (see below), whose sum is σ = 220075435776. Its totient is φ = 26032556160.

The previous prime is 86182820981. The next prime is 86182821017. The reversal of 86182820988 is 88902828168.

It is a happy number.

It is a super-2 number, since 2×86182820988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86182820981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001656 + ... + 1084287.

It is an arithmetic number, because the mean of its divisors is an integer number (4584904912).

Almost surely, 2^86182820988 is an apocalyptic number.

It is an amenable number.

86182820988 is an abundant number, since it is smaller than the sum of its proper divisors (133892614788).

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

86182820988 is a wasteful number, since it uses less digits than its factorization.

86182820988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086274 (or 2086272 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 60.

The spelling of 86182820988 in words is "eighty-six billion, one hundred eighty-two million, eight hundred twenty thousand, nine hundred eighty-eight".